Da. Incearca asa:
Quote Originally Posted by The Verge
Here’s how:

1. Go to the “My Purchases” section of the App Store, found by clicking on your avatar (typically whatever Memoji or photo you’ve chosen for your Apple ID contact image) in the top righthand corner of any of the main screens.
2. From there, tap “purchased,” then “My Purchases” to find your app directory of all iOS apps you’ve ever downloaded.
3. Search “Fortnite.”
4. The app should show up, and tapping the cloud icon will initiate the downloading process.
How to reinstall Forntite on iOS, even after Apple removed it from the App Store - The Verge