Convert Windows XP service pack 2 to Service pack 3 [ without software ]: 


Now you can Convert Windows XP service pack 2 to Service pack 3: 




So First:

Go to start-Menu---->Run--> type the word Regedit

~ Your windows Registry Editor will open,

Go to
1.HKEY_LOCAL_MACHINE
2.Click on SYSTEM
3.CurrentControlSet
4. Control
5.And then click on "Windows"

~ 6.Than please modify/write “CSDVersion” from “200” (SP2) to the Windows XP SP3 value of “300” and than reboot your system.

Now your Window has been upgraded to SP3. No can install any other software just fullow these steps and you will get SP2 to SP3.

If you like this blog. So please comment it here.