IS-DS02: Ran out of disc space during installation

This error occurs when you run out of space on your hard drive while downloading a game.  To resolve this, you can try the following things:

1. Free up hard drive space.  
   1. There are several ways to free up hard drive space on your computer. Please check out this Microsoft article for instructions on ways to do this: Free up drive space in Windows (Opens in a new tab)
2. Change your Installation directory.  
   1. If you have more than one hard drive, try installing the game on a different one, as it may have more free space. You can change this immediately after you click Install on any game in your Library
3. Free up hard drive space after you install Fortnite.
   1. To do this, follow the steps in Fortnite install size taking too much space