Using Windows 8 Administrator Account
Windows key + Click X > Command Prompt(manager) Select
In the input screen, net user administrator / active:yes Enter after typing
I ran a good command. The phrase or escape window 8 The administrator account has been activated.
now If a reboot in order to use the administrator account You can check the administrator accounts are enabled doengeot.
After deleting unused accounts window + Click X > control panel > User Accounts and Family Safety > User Accounts > Remove User Accounts
Click the user you want to delete > In the left menu, click Delete Account