Let’s be honest: The Epic Games Launcher is great for auto-updates and marketplace browsing, but it is a nightmare for offline users. Whether you have a slow data cap, a studio with 20 workstations, or you simply want an archive of UE 4.27 for safekeeping—you need a standalone installer.
Open the Epic Launcher. Go to > Library . Click the "+" (Plus) icon next to "Engine Versions". Select the version you want (e.g., 4.27.2 ). Unreal Engine 4 Download Offline Installer