You can delete a User Account in Windows 11/10 using Settings, Control Panel, or Command line. Make sure to backup your data and user files first.

Learn how to disable, enable or change User Account Control (UAC) settings in Windows 11/10. Disable Do you want to allow this app to make changes message.

As an administrator, UAC allows you to define user privileges. It is quite a formidable tool when there are multiple users using the same PC, but not when you are the sole administrator/user. In this ...

Click Apply.; Click OK.; Once you've completed the steps, when you get a User Account Control prompt, you'll still be able to access the desktop and other apps.

The last method you can use to delete a user account on Windows 11 is the User Accounts dialog, though this one is actually a bit hard to find unless you know specifically what you're looking for.