To avoid the engine trying to reach Epic’s servers for project templates:
The Catch: Epic Games Does Not Provide a Direct .EXE Offline Installer download unreal engine 4.27 offline installer
After the download and installation complete (which can take a while), you can close the launcher. To avoid the engine trying to reach Epic’s
Navigate to the hidden Epic Games Launcher data folder on your system drive (typically C:\ProgramData\Epic\EpicGamesLauncher\Data\Manifests ). download unreal engine 4.27 offline installer
Epic Games provides an official offline installer primarily designed for educational institutions and labs to facilitate installation across multiple machines without individual downloads.