I'm in the middle of that 2 GB download, which seems more promising than the 150 KB torrent. Thanks.Maybe they've changed the links around or something, here is another, click the green button "Download Latest Version MX-21.3_February_x64.iso (2.0 GB)"
MX-Linux - Browse /Final at SourceForge.net
For USB installers, it looks like Etcher is the gold standard right now on all platforms:
balenaEtcher - Flash OS images to SD cards & USB drives
When I first switched to Linux from Windows, I used YUMI on Windows, but I've only ever used dd on Linux since.