How to Login to Grubhub and Use Student ID Steps: 1. Download the Grubhub app on the app store. 2. Create an account with Grubhub on the app. 3. Click " Account" of the bottom right of the screen. 4. Click on " Campus Dining" then " Find your campus" 5. Add " Arkansas State University" as the campus. 6. Choose your affiliation. 7. Click " Add your card" 8. Type your smail/astate credentials to connect your account.