Trying rustdesk now, seems ok.
Around 18 mins is ubuntu install, and shows how to change gdm from wayland to Xorg.
GNOME Display Manager – we need to switch to Xorg display manager if we’re using Wayland.
sudo nano custom.conf
# Uncomment the line below to force the login screen to use Xorg
So to put it back to wayland add back the #. Seems there is nothing difficult to be done in Mac or Windows, just download and install an app.
Below is old, keeping for reference.
This will be useful to help out clickforcharity/directsponsor users and satoshihost tech support.
Or Remotely instead.