Updating xp home to xp pro

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Windows 7 will not automatically upgrade from XP, which means that you have to uninstall Windows XP before you can install Windows 7. Moving to Windows 7 from Windows XP is a one-way street — you can’t return to your old version of Windows.Don’t follow these instructions unless you’re sure you’re ready for Windows 7.We recommended that you have Service Pack 2 installed before installing SP3.You can download Service Pack 2 at the Windows XP Service Pack 2 website.You can upgrade most Windows client operating systems directly to Windows XP Professional.If you upgrade instead of doing a new installation, you will not lose the existing settings and applications on the partition.Note: Windows XP Professional provides an uninstall tool when upgrading from Windows 98 on a drive formatted as FAT or FAT32.

I tried following Microsoft instructions to edit the registry. Link ID=100334 After installing, reboot and see if you can access Windows Updates. Hardware requirements To install SP3 on a single computer, your computer must have a CD-ROM drive and at least the following: Back to Top You can install SP3 either from the Service Pack 3 CD or from the Windows XP Service Pack 3 website.The website provides a link to Windows Update, where you can install SP3.Back to Top To install SP3, your computer must meet the hardware and operating system requirements listed below.In addition, your computer must at least be running Windows XP with Service Pack 1 installed.

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