UE4 Prerequisites (x64) installer is typically bundled within the installation folder of Unreal Engine games or the Epic Games Launcher itself. There isn't a single "official" standalone web download page just for this prerequisite file, as it is designed to run automatically during game or engine installation. Where to Find the Installer File
If the automatic installation failed and you need to run it manually, check your computer for the file already included with your game: Steam Games
[Steam Library Path]\steamapps\common\[Game Name]\Engine\Extras\Redist\en-us\UE4PrereqSetup_x64.exe Epic Games Launcher
[Installation Path]\Epic Games\Launcher\Engine\Extras\Redist\en-us\UE4PrereqSetup_x64.exe Direct Component Downloads
If the above file is missing or corrupted, you can manually install the individual components it normally contains. Most "UE4 Prerequisites" errors are caused by missing Visual C++ Redistributables Visual C++ Redistributable (x64)
: Download the latest supported version (2015-2022) directly from the Microsoft Support Page DirectX End-User Runtimes : Ensure your DirectX runtimes are up to date via the Microsoft Download Center Troubleshooting Tips Run as Administrator : Right-click UE4PrereqSetup_x64.exe and select Run as Administrator ue4 prerequisites x64 setup link download
to ensure it has the necessary permissions to install system files. Repair Installation
: If you already have the prerequisites but get an error, run the installer and select instead of Install. All-in-One Fix : Some users find success using community-verified Visual C++ All-in-One installers to fix version conflicts. Are you getting a specific error code
(like 1603 or a missing .dll) while trying to run the setup? Ue4 prerequisites x64 - Unreal Engine Forums
Right-click the UE4PrereqSetup_x64.exe file you downloaded and select Run as administrator. This is mandatory. Without admin rights, the installer cannot write to System32 or modify protected registry keys.
A: No. The prerequisites must install system-wide DLLs. There is no “portable” version. Step 2: Run the Installer as Administrator Right-click
Download and Install .NET Framework 4.7.2 or Later: Navigate to the .NET Framework download page and download the version recommended for your system.
Install Microsoft Visual C++ Redistributable: Go to the Visual Studio downloads and look for "Visual C++ Redistributable for Visual Studio 2019" (or the version compatible with your UE4 version), then download and install it.
Download DirectX: Although most of DirectX is included in Windows, ensure you have the latest by checking Microsoft's DirectX download page.
Launch Epic Games Launcher and Install UE4: Sign in or create an Epic Games account, then navigate to the Unreal Engine tab to download and install UE4.
Critical Warning: Do not download this installer from random “DLL websites” or forum attachments. The file is an executable; malicious actors often re-package malware into fake prerequisite installers. Download and Install
To download and install UE4:
Epic Games Launcher: Go to the Epic Games website and download the Epic Games Launcher.
Launch the Epic Games Launcher: Once installed, open the launcher.
Sign In: Sign in with your Epic Games account.
Get Unreal: Click on the "Get Unreal" or "Store" tab, search for "Unreal Engine," and then click on the Unreal Engine result.
Download and Install: Click on the "Get" or download button next to Unreal Engine. Choose the installation location and version (make sure to select the version you want).