You can do this Overkitty:
"C:\Program Files (x86)\Epic Games\Launcher\Engine\Binaries\Win64\UnrealVersionSelector.exe" /game "path_to_your_uproject"
You can do this Overkitty:
"C:\Program Files (x86)\Epic Games\Launcher\Engine\Binaries\Win64\UnrealVersionSelector.exe" /game "path_to_your_uproject"