1. Log in to cPanel with the username and password that was sent to you.
2. Once logged in scroll down to the email section and click on Email Accounts.
3. Click on Manage on the email to change the password for.
4. Click on Generate a new password and leave the Allocated Storage on unlimited. Can be changed if you want to set a limit for a specific email.
5. Scroll down and click on Update Email Settings.
Get a website hosting package, click here