Avast Free Antivirus
Your top-rated defense against malware and online scams
Boost your PC's protection against cyberthreats and web-based scams. Check suspicious messages or offers with our AI-powered Avast Assistant. Do it all with Avast Free Antivirus.
December 2023
Top Product
January 2025
Top Rated Product 2024
December 2023
Top Product
January 2025
Top Rated Product 2024
To keep you safer online, Avast Free Antivirus also provides you:
Anti-scam support via smart AI
We use AI technology to help you block risky website links in your web browser. Our Avast Assistant also gives you guidance about potential scams in seconds.
A fast way to boost digital security
It only takes a moment to install Avast Free Antivirus. Once it’s done, it’ll run quietly in the background, protecting you against viruses and other malware in real time, 24/7.
Wi-Fi network security
Connect safely to any Wi-Fi network, even unsecured public networks, plus see who’s using your home Wi-Fi and block any intruders with a click.
Protection against ransomware
Protect your information. Don't let your personal photos, files, and documents fall victim to hackers using ransomware.
But there’s more inside the latest version
Avast One has always been your all-in-one online guardian. Now, thanks to Avast Assistant and Scam Guardian, we can offer you even more.
Browse and email in peace, supported by clever AI
Our AI-powered Web Guard not only helps you block malware, but also boosts your security against hidden scams and websites trying to steal your money or info.
Why not use our anti-scam AI assistant too?
If you suspect an online offer or message seems off, our Avast Assistant can help you identify if it’s a scam, giving you clear, easy-to-read guidance fast.
Your game or movie time is now uninterrupted
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.
Introducing Behavior Shield
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.
Easy to install, effortless to use
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.
You may still be wondering...
How to install
Get protected right away by following these 3 easy steps:
Step 2
2. Open the file
Open the downloaded file and approve the installation.
Step 3
3. Install the file
Run the installer and follow the simple instructions.
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You're almost there...
Find and click the downloaded file {avast.exe}{avast.dmg} to complete the installation.
Initializing download....
Note: If your download did not start, click here.
Need Help? Call 855-745-3255