Set Admin on Windows using Registry

Changes are immediate and you can use the Winkey + L to switch back to Welcome Screen to see Administrator account is listed.

Use this procedure to hide/unhide any user account from the Welcome Screen. Please remember, you can still login to a hidden account using CTRL+ALT+DEL classic logon method, but cannot Fast User Switch to a hidden user account.

Method 2 - Manual registry edit

• Click Start, Run and type Regedit.exe
• Navigate to the following key:

HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon \ SpecialAccounts \ UserList

• Use the File, Export option to backup the key
• Create a new DWORD Value named Administrator
• Double-click Administrator, and set 1 as its data
• Exit the Registry Editor.