So i ll tell you How you can enable windows Administrator Account.
Note :- This Account cannot be enable by Guest account and also Limited account.
Here are the steps How you can Enable it. :-
1. Press win Logo + Run and open Run then type "lusrmgr.msc".
2. Click on Users. You will find Default Administrator account disabled in Local User and Group Manager.
Right Click on The Administrator Account and Click on Properties.
3. In properties Uncheck the Account is disable and click OK.
4. After Account will be Enable Now you can enter the account in Logon screen.
Now Default Administrator Account is enabled.
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