Hi, press the win + r keys together, in the run dialogue box type:-
msconfig (press enter) system configuration will open, select the "Boot" tab, put a check in "Safe boot" and restart computer.
Your computer will boot to safe mode.
In safe mode press the win + r keys together, in the run dialogue box type:-
cmd (next press the ctrl+shift+enter keys together) an elevated cmd prompt will open, copy the below cmd, right click anywhere in the cmd prompt window and select "paste" the cmd will append to the prompt, press enter.
net user administrator /active:yes
Now go back to a run cmd (win + r) and this time type msconfig, press enter, open the "boot" tab and uncheck "Safe Boot" restart computer, into normal mode. Go to shutdown and select the option to switch users you will see a Admin account choose this, open control panel "user accounts" and elevate your user to an admin account.