Good to know. I usually use magic wormhole, which works great, but it does install a lot of python modules to achieve it. I'm always a little reluctant to install that on our production Windows SQL servers, and I rarely touch them, so usually when I do I just do a "netcat" equivalent via either a powershell snippet or https://github.com/linsomniac/toothpyk or I just "wget" it on the Windows side. For SQL Server ISOs, the Windows built in wget is terribly slow though.
Great thing about it is it's a just a binary that you can fetch using curl anywhere, and then do ./sendme send <file/folder> and on the other machine type the command sendme tells you to in the terminal. The transfer is resumable as well, as long as the computer sending it doesn't stop the process.
Thanks for the sendme pointer.