Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to add store loyalty information to your google express account [title] Go to google shopping express. [step] Open google shopping express and click the " sign in " button at the top right section of the page. [title] Log in.

Ending1: [step] If you have previously logged in, follow the on-screen instructions to do so now. You will be asked to enter your google account information. Ending2: [step] You may have to enter your google username or password to log in to gmail, google play store, or tumblr account. Choose the version of google shopping express that best fits your account. Ending3: [step] Click " my accounts " at the upper right section and select " settings " from the drop-down list. This will take you to your account's settings page. Ending4: [step] Click the " sign in " button at the top right section of the pop-up, and enter your email address and password on the fields provided. [substeps] If you're not already logged in, click the " sign in " button.

Answer format: ending1/ending2/ending3/ending4