If the program asks for additional permissions, check the box, then click on Next. Choose Troubleshoot Compatibility, then select Program. Close Steam, then reopen it and try to start the game.Īt C:\Steam Library or C:\Program Files, you can find the game app and run it in a mode that’s compatible with Windows. To see if the Compatibility Mode box is checked, click on the Compatibility Tab. Choose Properties after right-clicking on the desktop Steam icon. If you have Windows 10 and can’t run FNV without experiencing issues, here are some more things you can do. You might even have considered downgrading to Windows 7. This means there is an error with Windows 10. When (and if) you contact support, they will ask for your MSInfo and your DXdiag. You could also try to play the game in admin mode. You could try playing in Compatibility Mode with a number of different OS, such as Vista Service Pack 2, Windows 8, and Windows 7. What are the laptop requirements to run Fallout 4?.Which graphics processor should you download and install?.