[Automatically convert groups (or other objects) into symbol]

Mine is the vw2019 version. Why can't I open it?
Is it because the files are too low?

[Tiles / Verlegewerkzeug]

@Antonio Landsberger Hello, there are two installation methods mentioned in the PDF, one is the wrapper and the other is the menu mode. As a novice, I don't know how to operate it. Do you have any videos for reference?

[Tiles / Verlegewerkzeug]

How do you install this?I don't know how to install it.