To resolve the grayed-out "Get" button issue in the Apple Store, follow these steps:To resolve the grayed-out "Get" button issue in the Apple Store, follow these steps:
1. Check Apple ID and Sign In Status.
2. Verify Payment Information.
3. Check for Device Restrictions.
4. Restart the App Store.
5. Reset Network Settings.
6. The date and time settings require special attention in most cases especially when setting up the systems for the first time.
7. Clear App Store Cache.
8. Update or Reinstall iOS.
9. For further help, you are advised to call Apple Support. If you have followed these steps, you should be able to fix the problem and move to the next level of the installations of the applications.