Your cPanel password that you obtain from the Client Area is autogenerated by the system. You may want to change it to the one that is easy for your to remember
Login to your cPanel
Refer this articles to login to your cPanel. You can access cPanel either from our Client Area or using a direct URL to cpanel.yourdomain.tld (replace yourdomain.tld with your domain name) and enter your login information.
cPanel Main Page
On the top right corner of your cPanel you will see your username (which is hide above). Click at the menu and choose Password and Security.
cPanel Password & Security Page
At Password & Security Page as shown below, enter your “Old Password” (which is your current password) and “New Password”. Click change your password now button at the bottom,