: Once finished, click Run Smart Scan to immediately check for existing viruses, malware, or bad browser add-ons.

: 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

: Locate the downloaded setup file and right-click it, then select Run as administrator to ensure full system access.

: Click Yes if Windows prompts for permission to make changes to your device.