Avast Business Endpoint Protection v.19 will only support Windows 7 or later. In early 2019, Avast Antivirus client version 19 will kick cybersecurity to the next level. We will be releasing it throughout our home and business products. Avast Antivirus client version 19 will NOT be compatible with Windows XP or Vista operating systems. After … Continue reading Important Notice: End-of-support for Windows XP and Vista