Download the Epic Games app from the official Epic Games website
Open the Epic Games app on your mobile device
Search for Fortnite in the app
Install Fortnite from the Epic Games app
If you are on iPhone or iPad, use cloud gaming or check Epic’s current iOS availability in your region
If you are on Android, make sure your device meets the game requirements
Sign in with your Epic Games account after installation
Launch Fortnite from your device and update it if prompted