Supported Versions of Avast Antivirus for Windows Systems
Operating System Latest Software Version
Windows 8.1 Avast Free Antivirus 2014 9.0.2021.515
Windows 8 Avast Free Antivirus 2014 9.0.2021.515
Windows 8 x64 Avast Free Antivirus 2014 9.0.2021.515
Windows 7 Avast Free Antivirus 2014 9.0.2021.515
Windows 7 x64 Avast Free Antivirus 2014 9.0.2021.515
Windows Vista Avast Free Antivirus 2014 9.0.2021.515
Windows Vista x64 Avast Free Antivirus 2014 9.0.2021.515
Windows XP Avast Free Antivirus 2014 9.0.2021.515
Windows XP x64 Avast Free Antivirus 2014 9.0.2021.515
Windows ME Avast Free AntiVirus 4.8.1367
Windows 2000 Avast Free Antivirus 6.0.1270
Windows NT Avast Free AntiVirus 4.8.1367
Windows 98 Avast Free AntiVirus 4.8.1367
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