downloaded and install git from http://git-scm.com/ for Windows
go to http://git-scm.com/ and press
Learn Git in your browser for free with Try Git (http://try.github.io/levels/1/challenges/2).
In Try Git typing:
Previous Track- Z
Play - X
Pause and Unpause - C
Stop - V
Next Track - B
Rewind 5 Seconds - Left Arrow
Fast-Forward 5 Seconds - Right Arrow
Turn Volume Up - Keypad 8
Turn Volume Down - Keypad 2