Local Users and Groups
In Windows, the application to manage users and groups is lusrmgr.msc. Question is, how to open the application in a handy way?
We call a run box to service us, then put the following string in it.
You may need the administration privilege to open it.

Type "lusrmgr.msc" in a Run Dialog
The application for managing local users and groups may look like this:

Local Users and Groups in Windows
It's very convenient.