: Click Yes if Windows prompts for permission to make changes to your device.
: Click the blue Download Now button. The installer file (e.g., avast_free_antivirus_setup_online.exe ) will begin downloading to your default downloads folder. 2. Run the Installation
Right-click the downloaded setup file avast_free_antivirus_setup_online.exe and select Run as administrator from the context menu.
: Wait for the green installation bar to complete. If the window disappears, it is likely continuing in the background.