Settings | Storage | (three dots in top-right) | USB computer connection | Camera (PTP)
Then go to Developer Options (read elsewhere how to get this), and tick 'USB debugging'.
Voila - your device will appear in My Computer | Portable Devices.
Copy the files to a subdirectory of the Android Camera device in Windows, and move them into the right place from within Android. e.g. using ES File Explorer
A piggy bank of commands, fixes, succinct reviews, some mini articles and technical opinions from a (mostly) Perl developer.