How to Sign in to the PlayStation Store on PSP

Select the "PlayStation Network" icon from the PSP home menu.

Select the "PlayStation Store" icon from the list of available options.

Enter your email address in the "Sign-In ID" field, then enter your password. Use the email address and password registered to you when you created the PlayStation Network account.

Select the "Sign In" button. Your console will connect to the network and grant you access to the PlayStation Store.