Changing Main Domain

[classiccliffhangers]

Could you please change my main domain of my hosting account from the free one it came with to the parked domain i'm actually using please.

Account: Worker
Main Domain: keyworker.x10hosting.com
Parker Domain to switch to: classiccliffhangers.com

Thank you for your help.

 

[Zubair]

remove classiccliffhangers.com from cPanel

then Go to Account Panel https://x10hosting.com/control/ and change your main domain