I successfully installed the VNC Server in pi-top OS.
Now I have the entry for the VNC Server in the menu. When I started it for the first time it complained that the standard port for VNC server is already used on this machine. So I entered another port number and it works now whenever I start the Server manually via the menu.
But on a “normal” Raspbry Pi OS the VNC server is started automatically at startup. Not on the pi-top OS. Propably because of the non-standard port number.
Could you please help me to autostart VNC server in pi-top OS.