Hey TJ's just came up across this cool trick and felt like sharing it .I know how annoying it is to format your entire system and then install service pack 3 when you realize some of the applications like bluestacks,many new antiviruses ,etc demand for SP3. So here's my new post on How to Convert Windows XP SP 2 to Windows XP SP 3 in just 10 steps.Be smart and save time guys :)

Step 1: Open Regedit
Step 2: Select HKEY_LOCAL_MACHINE
Step 3: Select SYSTEM folder then
Step 4: Select CurrentControlSet within it
Step 5: Select Control inside that
Step 6: Finally Click on the windows directory
Step 7: In the right side you would find 6-7 parameters such as CSDReleaseType, ShutdownTime, etc.
Step 8: Double Click on CSDVersion
Step 9: The default value data will be 200 .Change it to 300 .
Step 10: Reboot your system and check the version of your XP by right clicking on My Computer and then