I installed MS Flight Simulator 2020, but then realized that I needed to clear out a lot of space. 1 week of deleting later, I finally got the amount of space needed, but Flight Simulator does not seem to realize it. How can I finally install the game? enter image description here

  • Are you trying to install it to the correct directory? Could it be possible you're trying to save it to a storage device that's still full?
    – PausePause
    Commented Jun 21, 2021 at 20:19

1 Answer 1


It looks like you've freed up enough space for the download, but not for the installation. Once a program is installed on your device, it has been decompressed, copied, moved, and so on, taking up more space than just the raw downloaded files.

According to this Microsoft Graphic, you need at least 150 GB of space for Flight Simulator to be installed.

enter image description here

  • 2
    150 GB? Time to buy a new drive then. Commented Jun 21, 2021 at 23:47

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