Commands (Without translation):
To activate the Administrator account, type:
net user Administrator /active:yes
To change user password type:
net user username newpassword
Note: In newpassword use the password that you want.
You can also add a new admin account from the Command Prompt, type:
net user USERNAME /add
net localgroup Administrators USERNAME /add
Note: In USERNAME you can use the name that you want to have in the new account.