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The number of attacks prevented against Windows 10 PCs in the past 30 weeks. Already have Avast? Write a review. How to install Avast Antivirus on Windows Download the installer by clicking here. You may still be wondering What is the best way to protect Windows 10? Avast provides the best free antivirus for Windows 10 and protects you against all types of malware.

For complete online privacy, use our VPN for Windows Why use antivirus software on Windows 10? However, Avast Free Antivirus is more than equal to the task, and can offer your PC full protection without compromising performance. Is Windows Defender enough to protect my PC? Hackers and malware programmers become intimately familiar with built-in antivirus software, like Windows Defender, and they design their programs to work around them.

While it will offer protection from certain dangers, the limitations of Windows Defender means that for top-of-the-line, full protection, you need Avast. Will Avast have any negative impact on the performance of my Windows 10 PC? Not at all.

Premium Suite. Most tested. Most awarded. Kaspersky security. In , Kaspersky products entered 62 independent tests — winning 45 first-place awards. Explore other home security solutions Get dedicated protection where you need it most. The browser plugins have been removed and Avast updated its privacy settings. WizCase is an independent review site. We are reader-supported so we may receive a commission when you buy through links on our site. You do not pay extra for anything you buy on our site — our commission comes directly from the product owner.

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Free antivirus is your first step to online freedom We believe everyone has the right to be safe online, which is why we offer our award-winning free antivirus to millions of people around the world. All PC products. Compare products. Creating a safer world. Our most advanced protection is your toughest defense against viruses , ransomware , zero-day threats , Wi-Fi vulnerabilities, and more. Get Protected. Discover VPN. Get privacy and performance tips, straight from the experts.