Cycling/TopoMaps AU/NZ no longer on Edge 830, cant find a way to re-install

Have been doing a lot of indoor training for several months, and then went to do an outdoor cycle but found I only have the Base DEM map, and no others.

I see there is a note on the Garmin website that as of May 2025 Cycling maps are no longer in use and its now been integrated into the ToppMaps, but I dont have either.

When I use Garmin Express on the PC it only gives me an option to re-install Trail Forks, no other options.

Is there another way to get the TopoMaps onto the device?

Thanks in advance.