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   to check if the user's browser supports cookies.1 dayHTTPeverest_g_v2Adobe
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 2. Avira Antivirus
 3. Windows


AVIRA FREE ANTIVIRUS FOR WINDOWS


AWARD-WINNING PROTECTION, AND FREE FOREVER

 * Top antivirus: blocks spyware, adware, ransomware, etc.
 * Real-time protection & updates
 * Light and fast: doesn’t slow down your PC


Download for free





Editors' rating:

Rating: 5 stars

Spectacular



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GET FREE ANTIVIRUS ON ALL YOUR DEVICES


 * FREE ANTIVIRUS FOR
   MAC >


 * FREE ANTIVIRUS FOR
   ANDROID >


 * FREE MOBILE SECURITY
   FOR IOS >


AWARD-WINNING TECHNOLOGY THAT HELPS PROTECT MILLIONS OF USERS.

Best usability


   
 * Scan & repair
 * Up-to-date
 * Light
 * Why Avira?


REAL-TIME PROTECTION & REPAIR

We protect you from billions of malware attacks annually, including against
ransomware, Trojans, worms, viruses, and more. In addition to virus scans, our
antivirus software includes advanced repair functionalities, fixing over 90
million files last year.


Download for free




REAL-TIME UPDATES VIA THE CLOUD

Stronger together: every secured device is as a sensor, which detects emerging,
never-seen-before attacks. As soon as a new threat is identified, all our
customers are immediately immunized against it, protecting millions within
minutes.


Download for free




LIGHT AND FAST

Avira has one of the smallest footprints in the industry – with virus definition
updates 2-5 lighter than most other antivirus products. Unlike many others, our
protection doesn’t slow you down nor hog your system’s resources.


Download for free




THE BEST ANTIVIRUS PROTECTION

With over 30 years of security experience, Avira offers superior detection, with
additional web protection and repair capabilities. And as a German company, we
don’t track what you do or sell your data to third parties.


Download for free




AVIRA HAS MORE THAN 35 YEARS OF ONLINE SECURITY EXPERIENCE

 



From our best comments



Rating: 5 stars

“Avira Free Security is the latest evolution of the modern antivirus solution.
In its basic form, it brings forth one of the best antivirus engines, a VPN, and
a lot of other efficient goodies that will have a big impact on protecting your
privacy and even ensure that your computer is running as it should.”

SOFTPEDIA.COM


THERE’S SAFETY IN NUMBERS

100 million+

internet-attached devices make up our world-wide sensor network

8.4 million

attacks a day are blocked on average

97.5 million

phishing attacks were stopped in the last 12 months alone

17 million

ransomware attempts were thwarted in the last year


WHAT’S INSIDE?
THE LATEST TECHNOLOGIES


ANTIVIRUS SCANNER

Detects and blocks malware (viruses, ransomware, banker trojans, etc.)


NIGHTVISION

Our automated, intelligent learning system protects you against new and evolving
threats.


PUA SHIELD

Identifies potentially unwanted applications hidden within legitimate software.


SAFE BROWSING

Blocks harmful websites before they load.


AD BLOCKER

Prevents intrusive and malicious ads, banners, and pop-ups from loading.


BROWSER TRACKING BLOCKER

Stops companies from monitoring you online.


PRICE COMPARISON

Saves you money while you shop.

 * 1
 * 2


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UNLOCK PREMIUM FEATURES WITH AVIRA ANTIVIRUS PRO

 * Scans downloads, torrents & cloud storage
 * Scans email attachments
 * Scans USB devices
 * No Ads
 * Unlimited Customer Support

Discover Pro



LAPTOP, SMARTPHONE OR TABLET?

Secure all your devices with Avira


 * FREE ANTIVIRUS FOR WINDOWS


 * FREE ANTIVIRUS FOR MAC


 * FREE ANTIVIRUS FOR ANDROID


 * FREE MOBILE
   SECURITY FOR IOS

LOOKING FOR PREMIUM ANTIVIRUS?

Discover Antivirus Profor Mac and Windows



INSTALL AVIRA FREE ANTIVIRUS FOR WINDOWS IN 3 EASY STEPS


 1. RUN THE INSTALLER
    
    Double-click on the downloaded file


 2. CONFIRM
    
    Click "Yes" on the dialog box to start your installation


 3. FOLLOW THE ON-SCREEN INSTRUCTIONS
    
    This should take a few minutes only

SYSTEM REQUIREMENTS

Your device is compatible
Your device is not compatible

Read full specifications

Operating systems



Microsoft Windows 7 Service Pack 1 or above with the newest updates, hotfixes,
and service packs installed 



RAM



2 GB of RAM or more



Disk Space

Minimum 2 GB of free disk space (additional space for temporary and quarantine
files needed)

CPU type

Intel Pentium 4 / AMD Athlon 64 Processor or faster (with support for the SSE2
instructions set)

Browser:

Internet Explorer 11 or newer

Additional requirements



To install, you’ll need administrator rights, an internet connection, and a web
browser. For automatic antivirus updates and optimal malware detection, you’ll
need an internet connection






FREE ANTIVIRUS FOR WINDOWS BY AVIRA – MADE IN GERMANY

WHY IS ANTIVIRUS SOFTWARE FOR WINDOWS PCS IMPORTANT?

Browsing the internet puts your privacy at risk. Companies want to track your
behavior to create a detailed profile about you to serve personalized ads.
Browser trackers enable companies to collect a significant amount of data and
track your online activities. You can easily become a victim of adware, which is
not only intrusive but also slows down your device.

 

The security of your devices is also at risk, especially when shopping online or
using cloud-based services. Cybercriminals are on the lookout for personal data,
trying to steal passwords, bank details, or even hijack your computer access to
use your devices for attacks against others. Keyloggers, rootkits, spyware,
Trojans, and worms are just some of the malware types that can attack your
system. To keep your system secure and protect your privacy, you need to install
an antivirus software, designed to detect and remove malware. With regular virus
scans, you can protect your computer against a wide range of threats.

WHY IS WINDOWS DEFENDER NOT ENOUGH TO PROTECT YOUR SYSTEM?

The Windows Defender Antivirus is installed by default on all devices running
Windows 10. While it is a good option for conducting basic virus scans, it does
not offer complete protection. When tested by IT security experts, the default
windows antivirus didn’t perform as well as other antivirus software, often
failing to block malware. Furthermore, Windows Defender is not updated often
enough to keep up with the new threats. To detect the new types of malware that
are being spread daily, cybersecurity experts recommend an additional antivirus
to conduct real-time virus scans and alert you as soon as a malicious threat is
detected.

HOW TO GET COMPLETE PROTECTION FOR YOUR WINDOWS DEVICE?

You can protect your digital life with Avira’s free antivirus for Windows. Avira
Free Security is the best free antivirus for Windows, with an impressive track
record in tests performed by leading industry experts. It also includes a free
VPN for private and secure browsing and built-in performance optimization tools
to keep your system running fast and efficiently. Avira Free Security is an
all-in-one solution for a carefree digital life.

HOW DOES AVIRA FREE SECURITY FOR WINDOWS WORK?

Avira’s free antivirus software uses the latest cloud technology to offer you
the fastest and most reliable real-time scanning and data protection. The
fingerprints of new unknown files are automatically uploaded to our cloud and
analyzed in real-time. This way, we protect you from Zero-Day-Attacks, where
cybercriminals use new methods to infiltrate your system. Our Protection Cloud
can detect these never-seen-before attacks. Once a new thread has been
identified, you are instantly protected against it. 

·        Our intelligent learning system NightVision protects you and your
devices against new and evolving threats.

·        The PUA Shield discovers potentially unwanted software that is hidden
within legitimate software.

·        Our Web Protection stops you from visiting dangerous websites, and
proactively blocks malicious and phishing URLs in websites, social networks and
email.

·        Your Windows Firewall is a key element in protecting your whole system.
With our Firewall Manager you can optimize the protection with just one click.

·        Cybercriminals are constantly trying to distribute their malware via
email with infected links or attachments. Our Email Protection, available for
the Pro version, scans emails for these dangers.

·        Install the browser extension Avira Browser Safety for Chrome, Firefox,
and Opera to block tracking cookies and annoying banners on websites.

You can protect yourself and your devices from viruses, ransomware, banker
Trojans, and other types of malware with our free antivirus for Windows. Our
solutions, “Made in Germany”, have won hundreds of awards and are used by
millions of satisfied customers.

IS AVIRA’S FREE ANTIVIRUS COMPATIBLE WITH WINDOWS 7?

Microsoft ended support for Windows 7 in January 2020, but Avira’s free
antivirus remains compatible with Windows 7. We will continue to provide updates
until the end of 2022. While we encourage you to upgrade to Windows 10, we still
offer protection if you decide to continue using Windows 7 for a while.

AVIRA FREE SECURITY: THE BEST FREE ANTIVIRUS FOR WINDOWS 10

If your computer or laptop operates with Windows 10, download Avira Free
Security, the best free antivirus for Windows 10. Our next-gen AI Technology
with cloud-based threat detection provides real-time protection and blazing fast
virus scans.

IS AVIRA FREE SECURITY FOR WINDOWS REALLY FREE?

Avira is the pioneer of the freemium business model, offering free privacy,
security, and performance tools for a wide range of platforms. Avira’s core
belief is that digital privacy and security are fundamental digital rights, so
our software is and always will be free. Our free antivirus uses the same
real-time virus scan engine as the pro version. The pro version brings extra
features, such as unlimited VPN traffic, limited to 500 MB per month in the free
version, and automatic software updates, but you can enjoy a carefree digital
life completely free of charge. If you are looking for extra convenience, you
can check out our all-in-one premium solution, Avira Prime.

Download the award-winning free antivirus for Windows


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*Important Subscription, Pricing and Offer Details
 

 * Contract Type: contract for a monthly or annual subscription, starting when
   the transaction is complete. Click here for our Terms of Sale. 
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   on each device and/or complete set-up.  
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   subscription starts and the first term is charged, unless cancelled before.
   Special offer(s) may expire.  
 * Renewal Cycle: automatically renews each month or each year after the initial
   term, unless the subscription renewal is cancelled before the day you are due
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 * Cancellation & Refund: you can cancel your contract and request a full refund
   within 60 days of purchase for annual subscriptions and within 14 days of
   purchase for monthly subscriptions. For each annual renewal or free trial
   with paid annual subscription, you can request a full refund within 60 days
   of being charged, and after the 60 days, a pro-rated refund of the days left
   in your renewed subscription term, beginning the month after you request the
   refund. For free trial with paid monthly subscription, you can request a full
   refund within 14 days of being charged. For details, visit our Cancellation &
   Refund Policy. To cancel your contract or request a refund, click here. 
 * Updates: your subscription may include product, service and/or protection
   updates, and features that may be added, modified, or removed, subject to the
   acceptance of the License & Services Agreement. 
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   device, please contact us.

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Automatically renews, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews, unless the renewal is cancelled. Subscription details
below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically
renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal
is cancelled. Price subject to change.
Subscription details below.*
Special offer for the first #cma_period# until #cma_promo_end_date#.
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically
renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal
is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the first 2 year price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the first 2 year price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / first #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period# (#cma_promo_saved_price# off the 1st
#cma_period# price of #cma_promo_standard_price#), and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / first #cma_period# (#cma_promo_saved_price# off the first 2
year price of #cma_promo_standard_price#), and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period# (#cma_promo_saved_price# off the 1st
#cma_period# price of #cma_promo_standard_price#), and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer for the 1st #cma_period# until
#cma_promo_end_date#. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer for the first #cma_period# until
#cma_promo_end_date#. When trial ends: paid subscription starts at
#cma_promo_price# / first #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer for the 1st #cma_period# until
#cma_promo_end_date#. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial
ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#
(#cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#), and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial
ends: paid subscription starts at #cma_promo_price# / first #cma_period#
(#cma_promo_saved_price# off the first 2 year price of
#cma_promo_standard_price#), and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial
ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#
(#cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#), and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Price subject to change.
Offer details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Savings compared to the renewal price. Subscription
details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Savings compared to 2 x annual renewal price of
#cma_promo_renewal_price# / year. Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Savings compared to the renewal price. Subscription
details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically
renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal
is cancelled. Subscription details below.*
Special offer for the first #cma_period# until #cma_promo_end_date#.
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically
renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal
is cancelled. Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Savings compared to the
renewal price. Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the first 2 year price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Savings compared to 2 x
annual renewal price of #cma_promo_renewal_price# / year. Subscription details
below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# —
#cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# /
#cma_renewal_period#, unless the renewal is cancelled. Savings compared to the
renewal price. Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Savings compared to the renewal price. Subscription
details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically
renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal
is cancelled. Subscription details below.*
Special offer for the first #cma_period# until #cma_promo_end_date#.
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically
renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal
is cancelled. Subscription details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / first #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / first #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period#, and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. Special offer for the 1st #cma_period# until
#cma_promo_end_date#. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period# and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. Special offer for the first #cma_period# until
#cma_promo_end_date#. When trial ends: paid subscription starts at
#cma_promo_price# / first #cma_period# and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. Special offer for the 1st #cma_period# until
#cma_promo_end_date#. When trial ends: paid subscription starts at
#cma_promo_price# / 1st #cma_period# and automatically renews at
#cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is
cancelled. Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial
ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and
automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial
ends: paid subscription starts at #cma_promo_price# / first #cma_period#, and
automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial
ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and
automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless
the renewal is cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts and
automatically renews, unless the renewal is cancelled. Price subject to change.
Offer details below.*
#cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#. Then #cma_promo_renewal_price# /
#cma_renewal_period#.
#cma_promo_price# — #cma_promo_saved_price# off the first 2 year price of
#cma_promo_standard_price#. Then #cma_promo_renewal_price# /
#cma_renewal_period#.
#cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of
#cma_promo_standard_price#. Then #cma_promo_renewal_price# /
#cma_renewal_period#.
The remaining value left on your current subscription is converted into
additional days in your new subscription.
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