Write an article based on this "Go to the BPI Express Online website. Choose your existing BPI account. Choose either Within or Outside the Philippines. Read the EULA. Enter the necessary BPI account details. Associate an e-mail address with your Express Online Account."
Go to https://www.bpiexpressonline.com on your PC browser and click on "Enroll now." This should be the account you’d like your Express Online Account to be associated with.  Agree with it upon finishing.  This includes account login details like username and password.