Buy and activate a legit copy of WinXP.
Install a new XP SP2, and deactivate Windows update.
connect your PC to the internet so that windows 7 can update
For update you need a valid version of the windows. You can't install not upgrade on the top of not-genuine OS.
Windows explorer automatically updates whenever Windows has a critical update. Computers should have Windows update activated to ensure a smooth update experience.
Windows XP Service Pack 3 will come with the Genuine Advantage Notification program if it is the slimline installer; that is, only if the user has chosen to update their operating system (OS) with internet access. If they choose to update via the offline installer, a separate download of the program itself will be required before the OS can be determined to be genuine. It should be noted, however, that support for XP has been terminated.
You can update to Windows 8 by purchasing a Windows 8 installation disk but make sure your hardware can support the update.
If you can't log into Windows with your administrator, try logging in in safe mode and changing the password first.
One can update Service Pack 2 on Windows XP Professional by visiting the Windows' update page. When on the Windows' website, press "update" and then install to complete the update.
automatic update
You could use Windows Update to update your drivers and other essential updates that are needed for Windows. Alternatively, you could go on the manufacturers website and download a driver update from the downloads section.
The Windows Update service is/was available to Windows 95, but there was no specific utility for it; you would have to manually go to the website.
You can download through windows update, and it will also install it for you.