On your offline computer, paste the folder wherever you like.
Before attempting to compile or run UE4 offline, verify your machine meets the minimum hardware thresholds to ensure performance stability. Minimum Specification Recommended Specification Windows 7/8/10 (64-bit) Windows 10/11 (64-bit) Processor Quad-core Intel or AMD, 2.5 GHz Six-core Intel or AMD, 3.5 GHz or higher Memory Graphics Card DirectX 11 compatible GPU NVIDIA GTX 1080 / RTX series or AMD equivalent Storage space 40-100 GB available space SSD with 100+ GB available space Pros and Cons of Working with UE4 Offline unreal engine 4 free download offline installer
– UE5 introduces demanding features like Nanite and Lumen that require more powerful hardware. UE4 runs comfortably on a wider range of systems, including older machines. On your offline computer, paste the folder wherever you like
Modifying engine distribution violates Epic Games' End User License Agreement (EULA). UE4 runs comfortably on a wider range of
Epic将UE4的完整C++源代码托管在私有GitHub仓库中，在Epic账户关联GitHub后即可获得访问权限。这种方式的下载规模也最大，完整的源代码压缩包大约在7 GB左右，编译过程需要约100 GB的临时空间，编译完成后的引擎约占用22 GB。
Downloading Unreal Engine 4 as an Offline Installer: A Complete Guide