MAKE XP SP2 INTO SP3 WITHOUT ANY SETUP

MAKE XP SP2  INTO SP3 WITHOUT ANY SETUP:


SO HERE IS A TRICK TO FOOL SUCH PROGRAMMES WHICH REQUIRES WINDOWS XP SP3 PATCH BY ALTERING THE WINDOWS XP SP2 VERSION INFO.
TO DO SO GO TO WINDOWS RUN COMMAND (USING WINDOWS KEY + R) AND THEN, TYPE REGEDIT TO OPEN REGISTARY EDITOR.
SO NOW YOU HAVE REGISTARY EDITOR OPENED THEN ONLY BROWSE TO THE FOLLOWING KEY:
HEY_LOCAL_MECHINE\SYSTEM\CURRENTCONTROLSET\CONTROL\WINDOWS  AND MODIFY "CSDVERSION" FROM "0X00000200" (SP2) TO THE WINDOWS XP SP3 VALUE OF "0X00000300" AND THEN CLICK TO EXIT AND REBOOT.