Definitely confirmed on a HP Pavilion desktop which had been upgraded from 8.1 to 10.
Basic file browsing & transfers should be ok on any version of Windows as the Tascam (via USB) or the SD-card plugged in directly both appear as standard removable discs... but you're right to double-check! It's only when you need to run special software or drivers for extra functionality such as editors, remote control etc. that you may have compatibility problems.
Btw - didn't realise these posts were in the Intro section, so welcome Jon!.. maybe an admin can move them to the right place.