FitGirl repacks and CODEX releases are unauthorized/pirated copies. If you own the game legitimately (on Steam, Microsoft Store, or Game Pass), you can get official updates automatically without these workarounds.
If you are still running an older version (v1.1 or v1.2), this patch is a necessity. According to the official changelog and scene NFOs, v1.3.5314 includes: or Game Pass)
💡 Ensure your Windows 10/11 version is updated, as the Definitive Edition relies on specific DirectX and Windows Store dependencies to run smoothly. or Game Pass)