Download Avira
Free Antivirus
for Microsoft Windows

Then sit back and relax – you have multi
award-winning protection for life

  • Stops nasty Malware
  • Doesn’t slow you down
Download Free Antivirus
Windows 10 compatible

Choose your level of protection

Tip: Save up to 70% on multi-year, multi-device licenses!

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Free Antivirus

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Antivirus Pro

Stop nasty threats

We keep your PC virus-free

Detect zero day exploits

We protect you from the very latest threats

Ransom-proof your data

We stop ransomware like WannaCry and Locky

Surf with confidence

We ensure you never land on a harmful link


Shop till you drop

We secure your shopping & banking


Never get fooled

We block phishing attacks against your identity


Scan that device

We check any device you plug into your PC


Get support

We offer complimentary tech support


Protection of the year 2017

We received AV-Comparatives’ top award


Avira Antivirus Pro

Named “Product of the year” by AV-Comparatives

This is what our premium protection delivers for millions of users – every month:

  • 180000000 web attacks blocked
  • 300000000 file infections averted
  • 1200000000 dangers investigated

You deserve the best protection and performance possible

And that’s what we offer. But don’t take our word for it – see our test results.

  • Best repair capabilities. We’ll fix your corrupt files.
  • Top malware removal. If it’s there, we’ll get rid of it.
  • Best overall speed. We don’t slow you down.
  • Top product award. We’re proud of it.
  • Outstanding file detection. We’re known for it.
  • Best security product of the year. You’ll love it.

System Requirements

You really don’t need much! Here are the essentials:

  • A PC running Windows 7 or higher (with Service Pack 1 and the latest updates)
  • 2 GB of RAM, over 2 GB of hard disk space, and an internet connection

For the tech savvy, we’ve prepared a full rundown of the specifications.

See full details >

Operating Systems:

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


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)


Internet Explorer 8 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.