All the windows binaries are unavailable, the file share site is down or missing, nothing is up, not even chocolately can find them.

[rtmann]

https://files.budman.pw/

Errors out, can't get any of the windows binaries.

[davidBar-On]

I don't know what is the problem, but you can get to the binaries through a link shown in https://www.neowin.net/forum/tags/iperf3/.