Ue4 Prerequisites -x64- Setup ((exclusive)) File

: The setup rolls back or shows error 0x80240017 / 0x80070666.

Double-click UE4PrereqSetup_x64.exe . If User Account Control (UAC) is enabled, Windows will ask for administrator permission. – some components (like VC++ redist) require admin rights. Ue4 Prerequisites -x64- Setup

: If the prerequisites folder is missing in a packaged build, it often indicates the game was packaged via the Project Launcher rather than the "File > Package Project" menu, which may require manual inclusion . : The setup rolls back or shows error

– The x64 prerequisite runs via emulation on Windows 11 ARM64. For native ARM, use UE4’s ARM64 redist (if available). use UE4’s ARM64 redist (if available).