Sign out of the App Store (not iCloud) and back in.On a Mac, open App Store → Updates and hit ⌘ Cmd R to refresh the page.If you don’t see the new Things update in the Updates tab on the App Store, here are some things you can try: As they have full control over the App Store, they are the only ones who can assist you with a resolution of this issue. If none of these steps help, please follow Apple’s own troubleshooting guidelines, or reach out to their support team. Some users found the steps on this page to be helpful.There’s always a good chance that other users are affected, and might have found a workaround that will also help you.
Then go to App Store → Updates to download the update. If it’s not, quit the app and move it there, then try the update again. Please try again later”, see the following steps to try to resolve the issue: If you try to update or download Things unsuccessfully, or you see a warning that says “ Unable to Download App.