Need to activate your copy of Windows XP SP1/2 or SP3?
No need to search for Cracks and/or other activators that are packed with Trojans and Viruses and other Malware.
All you need to is Download the provided (filename.reg) file and Just double click this registry file and add it to your system registry. That's all!! DONE.. Nothing you need to do after this..
Your Windows will achieve the Genuine Status and You can use Windows Updates and/or Microsoft Security Essentials and other Products from Microsoft.
Just Click here