To change master password of cPanel, you must do this from your customer area on :
https://support.yoorshop.hosting/clientarea?action=products
Click on your relevant serviceThen, left column, click on 'Change password'
Warning :
this will also change the main FTP password, update it in your FTP software without delay to avoid blockingFor reseller accounts :
Same, only for your reseller account.
For your subaccounts, it is from your WHM access / list accounts / click on the small cross of the account whose password you want to change