: At least 100 GB for the engine; 500 GB–1 TB SSD recommended for source builds. : DirectX 11 or 12 compatible NVIDIA/AMD GPU. Epic Games Developers Step-by-Step Prerequisites Setup 1. Visual Studio Installation You need a C++ development environment. For UE4.27, Visual Studio 2019 Community Edition is recommended. Amazon Web Services : Select "Game development with C++". Individual Components : Ensure the following are checked: C++ profiling tools Windows 10 SDK (latest version) Unreal Engine Installer 2. Obtain UE4 Source Code Access to the UE4 repository requires linking your Epic Games account to your GitHub account. Clone or Download
Critical for running C++ code.
The is a bundled installer for Unreal Engine 4 games and applications. Its primary job is to ensure your Windows environment has the necessary libraries—specifically DirectX and Microsoft Visual C++ Redistributables —to run the software. Core Components
If you are a PC gamer or an aspiring game developer, you have likely encountered a pop-up window titled while installing or launching a new game.
Select the entry, click at the top of the window, and then click Repair . Ue4 Prerequisites -x64- Setup
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 .
Without these prerequisites, the engine cannot communicate with your hardware. You will likely encounter errors such as:
A dedicated sound API used to manage game audio, spatial sound, and voice chat.
A frequent cause for failure is having a newer version of the prerequisites already on your system. The installer may fail if it detects a conflict with an existing setup. : At least 100 GB for the engine;
The is an installer package distributed by Epic Games that ensures your Windows operating system has all the necessary runtime libraries, drivers, and system components required to run Unreal Engine 4 projects—especially packaged games or the editor itself.
Additional Tools
It also installs the 64-bit versions of these runtimes, as well as the 32-bit versions when necessary for certain components.
Windows prompts: "Do you want to allow this app to make changes to your device?" You must click . Without admin rights, the setup cannot install system-wide redistributables. Visual Studio Installation You need a C++ development
: For development (not just running a game), ensure you have the Windows 10 SDK (10.0.18362 or newer) and Visual Studio 2022 installed. ⚡ Core Development Prerequisites
The setup gets stuck at a certain percentage (often during the DirectX phase) or repeatedly asks for permission to install.
In the window that appears, click the button and allow the process to finish. Method 3: Manually Update Visual C++ Redistributables