As a starting point for any launch issues, please try the following:
Back up any existing files you find in this location, then delete the ones in that folder and attempt to launch the game again.
If you are using an Oculus headset on Steam VR, please make sure to do the following:
Users with a new Intel processor (10th gen and above) may experience a crash on launch due to an issue with some version of Unreal Engine and those processors. You can attempt to work around this issue by: