Protect your Windows 7 PC with Avast Free Antivirus

The most favorite antivirus in the whole world fully protects Windows 7 PCs

Our users love Avast Free Antivirus for Windows 7

people scored us / 5

Maximum Windows 7 performance

"The antivirus with the lowest impact on PC performance," according to AV Comparatives. Avast ensures optimal performance on you Windows 7 PC, and advance features like Cleanup and Browser Cleanup speed things up further still.

Full Windows 7 protection

Windows 7's Microsoft Security Essentials provides only very basic protection for your PC. Avast ensures complete protection with advanced features such as intelligent antivirus, Home Network Security, Software Updater and more.

Approved antivirus for Windows 7

AV Comparatives has successfully tested Avast against malware on Windows 7. Yet another reason why more than 400 million users trust Avast – it's Windows 7's official consumer security software provider.

Avast Antivirus is compatible with Windows 10, 8.1, 8, 7, Vista, XP SP3

Avast also offers you security solutions for your Android and Mac

The people have spoken

And we want to hear from you, too. After all, you’re the reason we’re here.

It's clean, easy, and works.

It's very easy program

easy to used < its the best

I love Avast, I have used it for at least 5 years or maybe more. will continue to do so

easy to used < its the best

easy to use and download

I love that it protects my computer, cell phone, and even my iPod. And I only have to have one account! Super easy

Years and years using this software, I like it and lots of friends and family are using it too. If your computer is infected it goes straight to the base of your O.S. and kill the virus. Love it !

It is the best antivirus on the market. Very efficient and easy to use. Would definitely use again and again.