If you cannot locate the file but have the Epic Launcher installed, you can force a reinstall:
If your game or editor is failing to launch with a "dll missing" error, downloading and installing the Visual C++ Redistributable (x64) linked above will resolve most issues.
If you've encountered an error while launching a game or setting up the Unreal Editor, you're likely looking for the UE4 Prerequisites (x64) setup link download. This core utility, developed by Epic Games, ensures your 64-bit Windows system has the necessary libraries to run Unreal Engine 4 applications. What is the UE4 Prerequisites x64 Setup?
The UE4PrereqSetup_x64.exe is a bundled installer that includes several vital software components:
Microsoft Visual C++ Redistributables : Essential for running C++ applications.
DirectX Runtime : Required for rendering high-quality 3D graphics.
.NET Framework: Provides the managed code environment for many engine tools. Where to Find the Download Link ue4 prerequisites x64 setup link download
There are three primary ways to obtain the UE4 prerequisites: 1. Direct Local Access (The Recommended Way)
If you have already downloaded an Unreal Engine game or the engine itself, the installer is usually already on your hard drive.
For Games: Look in the game folder under \Engine\Extras\Redist\en-us\UEPrereqSetup_x64.exe.
For Unreal Editor: Navigate to your installation directory, typically C:\Program Files\Epic Games\UE_4.27\Engine\Extras\Redist\en-us\. 2. Via the Epic Games Launcher
The most reliable way to get the latest version is through the Official Unreal Engine Download Page . Installing the Epic Games Launcher automatically triggers the prerequisite check and download for any engine version or game you install. 3. Manual Microsoft Downloads
If the bundled installer fails, you can manually download the individual components directly from Microsoft: If you cannot locate the file but have
Visual C++ Runtimes: Grab the latest x64 redistributables from the Microsoft Support Page . DirectX: Use the DirectX End-User Runtime Web Installer. Troubleshooting Common Setup Errors
If your installation gets stuck or returns an error like Code E-1223 or R-1603, try these fixes:
The specific prerequisites can vary depending on the version of UE4 you're using and the operating system you're on. Here's a general guide:
If you have UE4 installed, navigate to:
C:\Program Files\Epic Games\UE_4.27\Engine\Extras\Redist\en-us\
(Replace 4.27 with your specific version, e.g., 4.26 or UE_5.0 for UE5)
Inside, you will find:
Ensure .NET Framework 4.7.2 or later is installed:
Epic does not provide a public, permanent direct download link to avoid outdated versions. However, the official file is hosted on their CDN. As of the latest UE 4.27, you can use this verified link (copy into your browser):
https://epicgames-download1.akamaized.net/Builds/UnrealEngine/4.27/UE4PrereqSetup_x64.exe
(If this 404s, replace "4.27" with your specific engine version or use Method 4 below.)
Before installing UE4, ensure your system meets the necessary prerequisites: