After installation, the engine files are stored in: C:\Program Files\Epic Games\UE_4.27
Method 1: The Source Code Download (Recommended Official Method) download unreal engine 4.27 offline installer
Restart the Epic Games Launcher. It will look at the manifest, verify the local files, and display Unreal Engine 4.27 as fully installed and ready to launch offline. Safety and Security Warning Regarding Third-Party Links After installation, the engine files are stored in:
Navigate to Engine\Binaries\Win64\UE4Editor.exe , right-click → Properties → Details. The should read 4.27.2.0 (or 4.27.1.0 ). verify the local files
Locate . Right-click it and select Create Shortcut to place it on your desktop.
Install the Epic Games Launcher on the offline machine if it isn't already installed.
The Launcher will automatically download and install UE4.27.2 on your machine. Once complete, the engine is ready for use.
