Ue4 Prerequisites -x64- Setup [2021] (2025)

Without these prerequisite libraries, a game cannot communicate with your computer's hardware. Unreal Engine 4 relies on these dependencies to render graphics, process player inputs, play audio, and connect to multiplayer servers.

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For many, this is a momentary blip—a progress bar that fills and disappears. For others, it becomes a frustrating roadblock: the setup fails, loops endlessly, or crashes without explanation.

The UE4PrereqSetup_x64.exe file is automatically included in the package when you build (or "package") your Unreal Engine project for distribution. It can be found in a specific subfolder of your project's build directory: Ue4 Prerequisites -x64- Setup

Because the UE4 installer is just a wrapper for Microsoft's files, installing the latest versions directly from Microsoft often bypasses the glitch entirely. Go to the official Microsoft Support website.

GPU Drivers

When you run the , the following components are installed silently (without individual prompts): For others, it becomes a frustrating roadblock: the

The "UE4 Prerequisites (x64) Setup" is a standard installer bundled with games built using (such as PUBG , Satisfactory , or Deep Rock Galactic ). It ensures your system has the necessary background components—primarily DirectX Runtime and Microsoft Visual C++ Redistributables —to run the game.

For studios, educational labs, or CI/CD pipelines, manually clicking through the UAC prompt is not feasible. The UE4 Prerequisites installer supports silent (unattended) installation.

Locate the game's installation folder (usually found under Steam\steamapps\common\[GameName]\Engine\Extras\Redist\en-us\ ). Right-click on . Select Run as administrator . Go to the official Microsoft Support website

The prerequisite installer succeeds, but UE4’s detection mechanism (registry key check) fails. Typically, this happens with the VC++ 2015-2022 redistributable.

The setup gets stuck at a certain percentage (often during the DirectX phase) or repeatedly asks for permission to install.