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 admin account to do it.

You can create a guest account on a Windows 10 computer by using the Command Prompt feature. Here's what you'll need to do.

To create a local user account, head into Settings > Accounts > Other Users, click "Add Account," choose "I Dont Have This ...

If you, like me, were a teenager in the 2000s, I bet you have memories of the Windows XP login window. Me and my four siblings all had our own accounts, indicated by user names and clip art graphics.