Log in to your Discover credit card to gain online access to your account. Go to "Register Your Account"," after which you enter the card's number, expiration date, birth date, and the last four characters from the last 4 digits of your Social Security Number to confirm your identity. Create your own user ID as well as a password. The user ID must comprise at least 6 to 16 characters. Passwords need between 8 and 32 characters that include at least one number and one letter. Log in using the new Discover card details. Once you've logged in, should be able to see the "Account Home" page with the details of your account like the current balance as well as credit available. Once you've signed up and signed in, you'll have the ability to access account information for your Discover Account online. It is possible to pay the credit card bills, check your statements on your credit card, track the activity of your account, and even change details on your account, including passwords and automated payments. If you've forgotten your login details, go to "Forgot Password/User ID" on the Discover login page. After that, follow the instructions to reset or recover your login credentials.