If users have no permission to modify files on your system, installing antivirus software will be impossible. Because of this, running the installation .exe file as an Administrator can be the easiest fix.

Users can search the avast installation files on many unofficial mentioned websites , Some of the users download such installers to avoid license.

The simplest and affable way to install Avast is by purchasing the software and downloading it from the official website.

• Enter on the search bar in windows, This system and users press on your keyboard

• Users can skip this method if you are already have a shortcut for this system

• Enter on “System “ on your start menu or system.

• You need to Right-click anywhere on the empty space to choose the properties.

• It is the last option on the menu that displays.

• Users can view various information about your system .

• If the system type says 64 bit you system choose the 64 -bit installation

This will help users select the correct setup type when installing Avast and prevent it from failing. If users have a 64-bit system, you can select to download a 32-bit installation. However, it is not possible to run a 64-bit setup on a 32-bit system.

Now you need to disable your current antivirus software.

• Next Download the Avast setup from the official website.

• You have to Disable your internet connection and run the Avast setup.

• When the Avast has finish installation process now you need to uninstall your previous antivirus software

• Now reboot your system because you have installed new software and uninstalled an existing one.

• Connect your system to the internet again it is safe to do so