Windows Antivirus How Can I Remove Windows Antivirus From My Computer?

How can i remove Windows Antivirus from my computer? - windows antivirus

Somehow, my computer is infected with the Windows Antivirus fake antivirus. He asked me my credit card, which of course I gave them, but can not actually delete the program. Not listed in the "Removing Applications" window "Control Panel".
Has anyone any advice?