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 Here's how to install and run the Todo.txt CLI:
 
+0. (Windows only:) "Download and install Cygwin":http://cygwin.com/install.html. Cygwin provides a Unix-environment for Windows; Todo.txt needs just the Bash shell and some common Unix tools, so a minimal installation will do just fine. 
+
 1. "Download the latest stable release of Todo.txt CLI":http://github.com/ginatrapani/todo.txt-cli/downloads (available as a ZIP or TAR archive) and extract it.
 
 2. At the command line, cd into the directory where you extracted todo.sh. Make the todo.sh script exectuable: