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Note: If your download did not start automatically, please click here.
Need Help? Please call 855-745-3255
Boost your PC's defense against cyberthreats and web-based scams.
Strengthen the security of your home Wi-Fi network. Do it all with Avast Free Antivirus.
Editors’ choice
Top Rated product
Editors’ choice
Top Rated product
To keep you safer online, Avast Free Antivirus also provides you:
Get a beautifully intuitive interface, advanced application protection, and a new passive mode for running multiple security software programs in parallel — and a little something for you gamers and movie buffs.
Ransomware is quickly becoming one of the most common — and dangerous — types of malware out there. Avast Free Antivirus protects your devices against havoc-wreaking ransomware so you don’t become the victim of digital extortion.
We’ve renamed Game Mode and taught it some extra tricks. Now called Do Not Disturb Mode, it blocks distracting pop-ups whether you’re gaming, watching movies, or presenting in full-screen mode.
We don’t just check your applications for malware. We now keep an eye on their behavior to make sure they don’t suddenly go rogue.
Our antivirus software scans for security and performance issues and helps you to fix them instantly. It also protects you in real time by analyzing unknown files before they reach your desktop PC or laptop — all for free.
Get protected right away by following these 3 easy steps:
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