1. Open File Explorer.




2. Right click on "This PC"




3. Select "Properties"




4. Click on Domain or Workgroup Settings.




5. Click "Change"




6. Select Domain.




7. Enter Domain name




8. Click OK




9. Enter the required domain credentials when prompted.




10. Click OK to proceed.




11. Click OK again to confirm.




12. Click on "Close"




13. Restart the PC when prompted.




14. PC has been joined to Domain.
Sign in using a domain user account.