It creates an icon in the systray, which you can click to bring up the control panel.Ĭlick Run Smart Scan to begin scanning your PC for Compatibility Check, Viruses, Outdated software, Bad reputation browser add-ons, Network threats, Performance issues, and Weak passwords. In the following article, we're breaking down the latest edition of the program to help you get a better idea of how it works.Īfter installation, Avast Free Antivirus automatically runs every time you boot Windows to protect your computer. Avast Free Antivirus is one of the most appreciated anti-malware solutions that you can use for free, thanks to its fast and effective malware detection engine, comprehensive features (including email and web protection), ease of use, and low impact on the system performance.