, which manages the download and installation process online. Epic Games Developers Official Download Options
In the Epic Games Launcher, go to Settings and check "Enable Offline Mode Browsing" while still online to save your credentials.
the engine on a machine with internet access via the Epic Games Launcher.
: Download the Epic Games Launcher and sign in. Navigate to the Unreal Engine tab, then the Library section to select and install specific UE4 versions.