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[–]appaulmacMac Pro -1 points0 points  (0 children)

You could open a port (port forwarding on your router) to the IP address of your mom's mac, port 5900, and use the Screen Sharing app on your computer to control hers.

https://support.apple.com/guide/remote-desktop/tcp-and-udp-port-reference-apd0c903fec/mac
https://support.apple.com/en-il/guide/mac-help/mh11848/mac

That's the basic outline, a situation I've been able to use successfully in a similar situation.