Update Avira Desktop for Windows with latest virus definitions and scan engine, helping you to stay protected even when you do not access the Internet on a daily basis. This is an easy-to-use update package, which wraps up the update files for the scan engine and the virus definitions file. Their installation will be automatic, by means of a Windows Installer.

Even though viruses have now grown very numerous, one thing hasn't changed: our commitment to provide you with all-round protection. The reliability of AntiVir is demonstrated in numerous comparison test and references featured in independent trade journals. Read more.