Just follow the pics, see the post for a description

Open TP’s summary

Select the tiny down arrow

Pick “Fit” file

File is downloaded to laptop
WKO File Icon

Plug in your device

Bike computer recognized

Drag Fit file into bike computer

Fit file now in bike computer

Eject bike computer

Find Fit file in bike computer

Find Workout

Pick One, each are dated

Add to todays workout

Start Workout

Set up bike computer like this

Ride is almost done

Ride done, summary screen