Enabling NumLock on by Default

To have numlock turned on for each user:

   1. Start Regedit
   2. Go to HKEY_CURRENT_USER\Control Panel\Keyboard\InitialKeyboardIndicators
   3. Change the value from 0 to 2
   4. Turn Numlock on manually
   5. Log off and back on again.
   6. For all users, make the same change to HKEY_USERS\.DEFAULT\Control Panel\Keyboard\InitialKeyboardIndicators

Download reg file
http://www.onecomputerguy.com/reg/numlock.reg