To make an online account for your Boscov's credit card or boscov credit card payment, go to the login page and click on "Register Now" at the top right corner. On the registration page, provide your credit card account number, ZIP or postal code, identification type (Social Security Number, Social Insurance Number, or Alternate Identification Number), and the last four digits of your identity. Once you enter the necessary details, click on "Find My Account" and follow the instructions provided.