Yes, there are various free antivirus software, although not all of them will provide you with full protection. Avast Free Antivirus is completely free and offers all the security you need.

Avast Free Antivirus combines cutting-edge, AI-driven cybersecurity with a massive threat-detection network of over 435 million users that lets us protect our entire community in real time against online threats whenever they appear.

Our powerful antivirus engine is just one of the many reasons why Avast Free Antivirus consistently earns high praise and top awards from PCMag, AV-Comparatives, AV-Test, and other independent experts. We have one of the best antivirus software solutions available, because we have the right antivirus protection for all your needs.

Avast Free Antivirus really is free — you’ll never need to pay for it and it’ll provide you with essential online security and protection. If you’re looking for more security and privacy features, our Avast Premium Security software is the right product for you.

Trusted by over 435 million users around the world, Avast uses advanced machine learning techniques to protect against ransomware attacks and other emerging threats. Avast Free Antivirus software detects, blocks, and removes all types of malware — viruses, adware, spyware, Trojans and more. You’ll also get security for your Wi-Fi network and real-time defense against phishing attacks, unsafe websites and computer exploits.

Now known as Microsoft Defender, Windows Defender isn’t enough to match leading third-party PC antivirus programs. While it’ll keep your computer relatively safe against most types of malware, its anti-phishing protection is limited to Microsoft Edge — you’ll need Avast Free Antivirus to protect you on other browsers like Chrome and Firefox. Microsoft Defender also doesn’t score quite as high with independent testing labs like AV-Comparatives. For comprehensive threat protection on your PC, go with Avast — Over 435 million users worldwide trust Avast.

Avast Free Antivirus keeps your PC safe in real time without slowing it down. Get world-class protection against malware, phishing attacks, Wi-Fi intrusions, and other threats with our advanced cybersecurity tool that’s both comprehensive and light on your system’s resources.

Looking for a performance boost? Speed up your PC and get rid of unnecessary files with Avast Cleanup Premium, or protect and optimize your PC all at the same time with Avast Ultimate.

Avast Free Antivirus detects and blocks all types of malware in real time to prevent them from infecting your computer. At the same time, it scans your PC to remove viruses and other malware automatically before they can do real damage.

Feeling up for a challenge? You can also try to remove viruses and malware the old fashioned way.