Yes, that's the other option.
When Garmin moved to Modern view, the old 'Upload' button disappeared, and the mantra was you had to use Garmin Express to upload.
That's quietly gone away, and manual uploads can now be done again.
So as long as the device appears as a drive in windows, you can just manually upload from the Activities folder.
The manual upload button is a bit hidden in the Modern view:
At the Top Right, next to the default 'Fitness' tab name, there's a + icon.
Click the +, and select Import Data.
Click the Browse button, select the FIT file, and Impost it.