Uninstalling A-Squared (now Emsisoft Anti-Malware) involves using the Windows Settings "Apps & Features" menu, followed by a manual removal of residual files in C:\Program Files\ and the Windows Registry to ensure a complete clean-up. For stubborn installations, utilizing third-party tools like Revo or IObit Uninstaller is recommended to remove remaining registry entries and files, according to AZMATH. You can find the full removal guide on the AZMATH website.