ZshPorts

ready-made packages are available in the official Debian repository

A port of an old 3.0.5 version of zsh was released in 2001 and was available here: ftp://ftp.blarg.net/users/amol/zsh/. However, it is no longer maintained and the link is now stale. You can still get a copy as part of GNU utilities for Win32 package.

The recommended way to run zsh under Windows is to use Cygwin

zsh is installed in the base system at /bin/zsh.

A port of zsh exists and can be installed using Fink all zsh related packages can be seen here

zsh can also be installed using MacPorts