Right-click the downloaded setup file avastsecurebrowsersetup.exe, and select Run as administrator from the context menu. The guide is titled 'How to Install Avast as a Lightweight Antivirus'.įinally it's incredibly easy to confuse Avast with AVG, Avira, Av-a-banana etc. Click the button below to download the Avast Secure Browser setup file, and save it to a familiar location on your PC (by default, downloaded files are saved to your Downloads folder). This speeds up working out the somewhat-confusing options you're being offered by this installer. If you need to get further back in time, there is a 2019 version at uploaded as 'avast_internet_security_setup_offline'.Īlso, take a look at the Major Geeks install guide, online elsewhere. This version seems to cure the earlier 'UI failed to load' bug which affected thousands of users. It will still continue to work, so far as I can see. If you do let it go online briefly it will get the latest definitions, but will also try its best to up-sell you with scary warnings. That is why this file will be so useful to some. Which can be a pain if your old offline asteroid-tracking servers etc needs this vital software to be re-installed, and yet the original installer file is nowhere to be found. Yet Avast appear to offer no old versions.

After version 21.x Avast's later installers refuse to install on some older Windows 7 PCs. I can vouch that it installs nicely on an old Windows 7 offline server. This is the full + offline installer version (August 2020).

Avast premier offline installer 2019