Legally purchased copies of Fallout: New Vegas, Fallout 3, and all DLCs for both games.
Steam, Steam PCR, Steam Cut German, and GOG versions ARE compatible.
Windows Store, Gamepass, and Epic Games versions ARE NOT compatible.
Windows 10 or higher (64-bit).
Uranium Fever is compatible with Linux, and specialized instructions are included below, though access to windows remains a REQUIREMENT for the Linux installation process.