in settings - project - desccroption there is only start in vr (there is no start in ar), What to do?
It is written in a config text file. In your project folder is a folder named “Config”. Open the DefaultGame.ini with a text editor.
In the DefaultGame.ini look under:
[/Script/EngineSettings.GeneralProjectSettings]
There should be these two lines:
bStartInAR=True
bSupportAR=True