Those who are trained on the Dvorak typing system can attain speeds much higher than are possible with the standard QWERTY keyboard layout. Here’s how you change the keyboard output settings in Windows 7 to use the Dvorak layout:
1.- Click Start | Control Panel.
2.- Click Region and Language.
3.- Click the Keyboards and Languages tab.
4.- Click Change Keyboard.
5.- On the General tab, click the Add button.
6.- Scroll down to “English (United States) and under it put a check in the box for “United States – Dvorak.”
Click OK and then OK again to close the dialog boxes.