Registry edit to allow opening of Cygwin by right clicking, similar to Shift+RtClick>OpenCommandWindowHere.
x32 = Cygwin x32-bit install - http://umer936.com/Cygwin/CygwinHerex32.reg
x64 = Cygwin x64-bit install - http://umer936.com/Cygwin/CygwinHerex64.reg
Copy/paste the version desired to Notepad
Add an empty line at the end (press enter)
Save As > CygwinHere.reg and change "Save As Type" to "All types"
Double click/Run and say yes to allow changes
Find any folder, right click it, and click "Cygwin Here" to open
Uninstaller - http://umer936.com/Cygwin/CygwinHereUninstall.reg