Experience award-winning antivirus protection that runs quietly in the background, safeguarding your data, protecting your privacy, and keeping your PC free from malware.

It’s easy to use—simply download and install, and you're protected for life. Plus, it's fast and lightweight, ensuring your browsing experience isn't slowed down.

Avira Free Antivirus delivers quick and smooth system scans with just a click, offering the industry's top detection rates. It:

• Shields you in real time from millions of emerging threats daily.
• Blocks potentially unwanted applications (PUAs), viruses, worms, Trojans, ransomware, spyware, adware, and rootkits.
• Protects against harmful websites, blocks browser trackers for better privacy, and includes a price comparison tool for finding deals on trusted sites while shopping online (all through the free web browser extension).

Based in Germany, Avira is an expert in security. Avira Free Antivirus shares the same core technology as Avira Antivirus Pro, which was named "2016 Product of the Year" by AV-Comparatives. Other independent reviews consistently rank it among the best antivirus software available, making it an excellent choice for free antivirus protection.

Avira’s protection-cloud AI technology provides not only real-time malware scanning and virus detection but also an early warning system. This system analyzes unknown files in the cloud, anonymously gathering data from millions of users to protect you from emerging threats.

Avira Free Antivirus is also available for Android.