There are a few ways to uninstall antivirus and firewall. You can use the Windows Control Panel, the graphical user interface of Windows, or the command line. To uninstall antivirus software using the Windows Control Panel, open the Control Panel and click on the Programs category. Then, click on the Uninstall a Program icon. In the list of installed programs, find and select the antivirus software you want to uninstall. Click on Uninstall.