So my ISP has sent me a couple notices for downloading torrents and I want to make sure they can't see me when I'm downloading stuff. I've heard mixed reviews about downloading through a ghost VPN or hidden VPN such as the ISP can see you're downloading torrents but just can't see which ones? Is it worth to spend on the monthly?

Or any other recommendations/tips that will allow me hide from my ISP what I'm downloading? Thanks in advance!