What do I do if I receive the message "You have to install Save the World" when it is already installed?

If you're seeing the error message "To play Save the World, your squad and you have to meet the following requirements: Install Save the World" you can resolve this by ensuring that the Save the World game files are installed on your computer.

1. Open the Epic Games Launcher.
2. Click on Library.
3. Locate Fortnite and click on the three dots next to it.
4. Click on Options.
5. Check the box next to Save the World.
6. Click on Apply.
7. Wait for the download to finish, then start Fortnite and you should be able to play without any issues.