The installer is a runtime package from Epic Games that bundles essential components like DirectX and Visual C++ Redistributables required to run Unreal Engine 4 applications.
If you are a developer deploying a UE4 build and want to avoid your users facing this exclusive setup issue, optimize your deployment pipeline:
Have you encountered a strange "exclusive" error not covered here? Check your Windows Event Viewer under "Applications and Services Logs → Microsoft → Windows → Installer" for the exact MSI error code.
If you are a developer looking to include this in your game's installer, you can find the redistributable within your Unreal Engine installation directory: Engine\Extras\Redist\en-us\UE4PrereqSetup_x64.exe Deployment Tips:
Scroll down to find the (specifically the 2015, 2017, and 2019 x64 versions). ue4 prerequisites x64 setup exclusive
Step 2: Use the Microsoft Program Install and Uninstall Troubleshooter
Navigate to your game or engine installation directory. For the Epic Games Launcher, the default path is usually: C:\Program Files (x86)\Epic Games\Launcher\Portal\Extras\Redist\ (For standalone games, look inside the game folder under Engine\Extras\Redist\ ) Locate the UE4PrereqSetup_x64.exe file. Right-click the file and select .
If you have verified that your computer already has the latest DirectX and Visual C++ updates installed, you can force your game launcher to bypass the prerequisite check entirely. For Steam Users: Open your .
The installer is a specialized setup package provided by Epic Games to ensure that all necessary libraries—such as the Microsoft Visual C++ Runtime and DirectX—are present on a target machine before an Unreal Engine 4 game or the engine itself runs. The installer is a runtime package from Epic
: A newer or broken version of the C++ Redistributable is blocking the UE4 version from installing.
Additionally, verify registry keys at:
Optimizing your hardware for faster compiling Configuring visual studio for UE4 Fixing specific "missing file" errors
: Essential for executing C++ code; typically includes versions from 2015 to 2022. DirectX Runtime If you are a developer looking to include
: The prerequisites are usually installed automatically when you first download an engine version or a game from the Epic Games Launcher First-Time Launch
Select it, click , and let the program purge the corrupted registry links. Step 4: Reinstall Microsoft Visual C++ Redistributables
If the installer remains locked or throws registry errors, Microsoft's official utility can force-remove the broken keys.
If Windows is updating in the background, it holds an exclusive lock on installations. Press the to open Settings. Go to Update & Security (or Windows Update on Windows 11).
