Avast Mac Security is a lightweight antivirus for Apple Macintosh computers, with on-demand antivirus scanning & background on-access protection. Don't leave your Mac defenseless. Download an expert, lightweight antivirus with on-demand scanning and intelligent, all-round protection. Free antivirus for Windows 8 from market leaders - protecting 400 million people. 100% protection against viruses, spyware, ransomware and all malware.
Protect your devices with the best free antivirus on the market. Download Avast antivirus and anti-spyware protection for your PC, Mac and Android. Download Avast Free Antivirus on your Windows, Android, and Mac. World- leading antivirus, compatible with all Windows operating systems. Free forever.