If you're seeing a popup about an older version of Windows while running a supported operating system:
Please check the following:
1) Ensure the executable for the game, NMS.exe, is not running in Compatibility mode. To locate the executable on Steam:
- Open the Steam client and right-click on No Man's Sky in your Library
- Click Properties... -> Local Files -> Browse...
- Open the Binaries folder
- Right-click on NMS.exe
- Click Properties -> Compatibility and ensure Compatibility mode is off
2) If you are using Steam, also ensure steam.exe is not running running in Compatibility mode.
- From the folder containing NMS.exe, navigate up to the Steam folder
- Right-click on steam.exe
- Click Properties -> Compatibility and ensure Compatibility mode is off
If you still have issues after trying these steps please submit a help request through our dedicated bug reporting page, including a screenshot of the popup.