Unreal Engine Section

The «Unreal Engine» section — the engines found for building.

How engines are detected

  1. Fast path: the Windows registry (HKLM/HKCU\SOFTWARE\EpicGames\Unreal Engine) and C:\ProgramData\Epic\UnrealEngineLauncher\LauncherInstalled.dat — installs made via the Epic Games Launcher.
  2. Typical folder scan on all drives (UE_*, Unreal*), including folders next to already found engines.
  3. An engine counts as usable if Engine\Build\BatchFiles\RunUAT.bat exists; the version comes from the folder name or Build.version.

In this section

  • The list of detected engines with versions.
  • «Check again» — re-run detection.
  • If the list is empty: «No engines found. The engine will be resolved by the project association (.uproject) at build time».

The engine for manual builds is picked in the Workspace toolbar (the selector next to «Build plugin»); the default is Auto — by project association.

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