I wouldn't delete them. I would move them to a different folder. If possible put that folder on a different HD.

I would move over delete them as you never know, someday you may want to review and/or use one or two of them. YMMV


When you are at the checkout line and they ask if you found everything say "Why, are you hiding stuff?"

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware