If you need to manually register the game after extraction, you typically use PowerShell (Admin) and run this command from within the game's folder: Add-AppxPackage -Register AppxManifest.xml
Temporarily disable your and Windows Defender as they may flag the crack files.
Ensure all parts (like "part12") are in the same folder before extracting with a tool like 7-Zip or WinRAR . Forza.Horizon.4.Ultimate.Edition-LOOTBOX.part12...
If the game crashes on the "Welcome, MRLOOTBOX" screen, try blocking the game's .exe in your Firewall (both Inbound and Outbound rules).
The save data for this version is typically found in: %LOCALAPPDATA%\Packages\Microsoft.SunriseBaseGame_8wekyb3d8bbwe\SystemAppData\wgs\ If you need to manually register the game
Based on typical instructions for this specific LOOTBOX release, here is the text you likely need for the setup: Enable Developer Mode in your Windows settings.
Many users of the LOOTBOX release note that the main executable must be named exactly: Microsoft.SunriseBaseGame_1.332.904.2_x64__8wekyb3d8bbwe.exe Troubleshooting Common Issues The save data for this version is typically
You generally cannot run the .exe directly. You must launch the game from the Windows Start Menu after registration.