Restrict use of a computer to one domain user only

Remove "NT AUTHORITY\Authenticated Users" uses from the list of users group
To eliminate the option to logon to one or few computer, follow the instructions bellow:
1. Right click "My Computer" icon on the desktop.
2. Choose on "Manage".
3. Extract "Local Users and Groups".
4. Click on "Groups".
5. In the right side of the screen double click on "Users" group.
6. Remove: "NTAUTHORITY\Authenticated Users" from the list.
7. Add the require user/s or and group/s to the "Users" local group.