Stay safer on Windows 7 — download our free antivirus
Microsoft no longer supports Windows 7 — but we do*. Avast Free Antivirus is top-rated. And it helps give you the latest protection against viruses and malware.
*Windows 7 SP1 with convenient rollup update or higher, any edition (32 or 64-bit)
30+ years of cybersecurity experience
Easy to install, effortless to use
Safer browsing and emailing
Wi-Fi network security
Microsoft-trusted antivirus for Windows 7
Avast is Windows 7’s official consumer security software provider. That means we're trusted by Microsoft — and our millions of users — to help prevent viruses, malware, and other digital threats.
Get real-time protection against cyberthreats
Help protect your device automatically from viruses, malware, spyware, ransomware, and phishing attacks.
Block digital threats with in-depth security
Do more to scan for security weaknesses in hard-to-find places, remove malware, and isolate potentially harmful files.
Further secure your home Wi-Fi network
Scan your network and help identify Wi-Fi security vulnerabilities, secure devices, and prevent unauthorized network access.
Browse online and send and receive emails safer
Make your device work harder to block malicious websites, and receive alerts about suspicious email attachments.
Get full Windows 7 protection
Microsoft no longer supports Windows 7. This means no critical security updates are made to the operating system or to its built-in Microsoft Security Essentials tool. This is where Avast can help.
Avast’s award-winning cybersecurity solution is continually updated to provide Windows 7 users with ongoing antivirus protection. Learn more about how Avast protects Windows 7 users.
Avast’s award-winning cybersecurity solution is continually updated to provide Windows 7 users with ongoing antivirus protection. Learn more about how Avast protects Windows 7 users.
Check out these 5-star reviews from our customers:
“...earns excellent scores in our hands-on tests and independent lab tests...it offers much more than many competing commercial products...”
"Awarded Outstanding Security Product 2021 by AV-Comparatives."