Number lock on when windows startup

You can on the number lock when in the logging screen appearance and after windows startup
just copy and paste this code in notepad
-----------------------------------------------------------------------------------
Windows Registry Editor Version 5.00

[HKEY_USERS\.DEFAULT\Control Panel\Keyboard]
"KeyboardSpeed"="31"
"InitialKeyboardIndicators"="2"
"KeyboardDelay"="1"
-------------------------------------------------------------------------------------
and save it as .reg extension. ex. "name.reg"
and double click it. you are done :)

Tested!