How to change the admin user on a Windows 10 computer, and add or remove admin accounts

You can change the admin user on a Windows 10 PC through the Control Panel. However, you'll need to be already logged into an ...
Ars Technica

Control Panel Won't Open

Okay, so I have a problem, I have Win XP Pro on my puter at home, (at work now) and I can't open my Control Panel, I had multiple virii (wife is a moron, opened email attatchments right after fresh ...