Ue4 Prerequisites X64 Setup Exclusive 💯

The "Exclusive" part of the title indicates that the installer is running as a unique or single-instance process—essentially, it is ensuring that it is the only installer writing to certain system files at that moment to prevent conflicts.

<Game Installation Directory>\Engine\Extras\Redist\en-us\UEPrereqSetup_x64.exe ue4 prerequisites x64 setup exclusive

Yes, you can uncheck “Include Prerequisites” in Project Settings → Packaging . However, doing so means your game will only run on machines that already have all the required Visual C++ and DirectX runtimes installed. This is not recommended for general distribution. The "Exclusive" part of the title indicates that