On Mac, open a new Finder window, click Go in the menu bar at the top and then click Applications in the drop-down menu.ħ 5Alternatively, you can click the Start menu and type avast into Start, then click the 'Avast Free Antivirus' app icon in the Start menu. Click the Avast Cleanup Pro icon on your menu bar and select Open Avast Cleanup Pro. When you click Install specialized definitions on the Boot-time Scan screen, Avast downloads all virus definitions from a cloud database. Avast 64 Bit Windows 10 2018: avast! Free Antivirus gives constant infection protection, additionally called on-access or resident protection, absolutely free. Best Free Antivirus For MacAvira Free Antivirus For MacFree Antivirus For Mac 10.
Click Install specialized definitions, then click Run on next PC reboot to run the scan during the next system restart.
