Run GenerateProjectFiles.bat and compile the engine using Visual Studio. Method 3: Academic and Enterprise Offline Installers
: When using an offline installer, you must ensure that prerequisite software—like Visual Studio and specific DirectX runtimes—are pre-installed on the target machine, as the launcher usually handles these "behind the scenes". Why People Seek It The demand for an offline installer usually comes from: Unreal Engine 4 Download Offline Installer