1. Plug-In Keyboard on your computer.
2. Download ´DoubleCommand´ at http://doublecommand.sourceforge.net/index.html
3. Then Install ´DoubleCommand´
4. Go to ´System Preferences > Other > DoubleCommand´
5. If you are a Mac user you should make this changes
![[image loading]](http://i847.photobucket.com/albums/ab35/quietenvoy/DoubleCommand_Screen_zps62df0ef9.jpg)
Hope this will be useful