UE4 Prerequisites (x64) Setup is a essential background installer that bundles the core software components required to run applications and games built with Unreal Engine 4. It is most commonly encountered when a game fails to launch because of missing dependencies like Visual C++ Redistributables Microsoft Learn Core Components

• Use Project Launcher or RunUAT with -platform=Win64 and target Shipping to produce x64 executables.

UE4 Prerequisites -x64- Setup

The installer automatically distributes required Microsoft Visual C++ runtimes and other Windows components that Unreal Engine 4 needs. It is safe and necessary for UE4 to run correctly.

• Solves “missing DLL” errors – If you’ve ever seen MSVCP140.dll or VCRUNTIME140.dll errors, this package silently prevents them.
• One-click, hands-off – Run it, click “Yes” to UAC, and it does its job in under a minute.
• Essential for modding/development – Many custom UE4 games and project files won’t launch without running this at least once.
• Lightweight – Only a few MB download; no bloatware or background services left behind.