If your VR controllers aren't showing up, try launching the game through the Steam Library by using the "Add a Non-Steam Game" feature.
This is common in VR repacks. Try launching the game in "Windowed Mode" first or check if your headset is set as the "Active OpenXR Runtime" in your VR settings.
Right-click the installer or the game executable and select Run as Administrator to ensure it has the permissions needed to write files to your drive.