Select and open the waypoints file you downloaded in 3). It should contain your name
Check the waypoints list. At the bottom there should be a CIVLID, a COMPID and a PILTID
Select ALL waypoints. You can do this with mouse, keyboard, or by pressing Ctrl-A
If you have a Garmin USB, at this stage, you can just go to Wpts –> Send to Garmin (USB). See that it is uploaded, exit, check your GPS. You can stop here
If you have a serial GPS (Flytec, Flymaster, Brauniger, MLR, Digifly), unplug it now.
Go to Misc –> Set COM port. Write down the list of available COM ports. E.g. COM1 / COM2
Plug in your GPS. Go again to Misc –> Set COM port. Compare the new list with the old list. There should be one more. Select the new COM port.
Now just do Wpts –> Send to XXXX (ID + Name). XXXX should be the brand of your GPS
Other Formats (No COMP-ID is included in those files)