Long-press on your Home Screen, tap the "+" button in the top-left corner, search for "Yonder Clock", then choose a widget size and tap "Add Widget".

Open Yonder Clock, go to the membership page, and tap "Restore Purchases". Make sure you are signed in with the Apple ID you used for the original purchase.

Open the Yonder Clock app to refresh the widget data. If the issue persists, try removing the widget and adding it again.

Refunds are handled by Apple. Visit reportaproblem.apple.com, sign in with your Apple ID, and follow the instructions.