Defining shortcut key's for any program :

In windows XP operating system we can create shortcut key for any installed program.

For this go to start menu. Open all users/programs. 

Then right click on your selected program which you want to define for shortcut key’s. Then go to properties, From dialogue box click on shortcut key and put any word or number as your wish, finally click on apply to OK.

Now when you will wish to run your that defined program from shortcut key then just press:  Cntrl + Alt + [that defined value]