In this chapter, you learned how to upgrade previous versions of Windows to Windows Vista and how to upgrade from one edition of Vista to a higher one. You learned about the requirements for upgrading previous versions and the tasks that you should perform before you upgrade a computer.
You can upgrade computers running Windows XP to editions of Windows Vista, and you can upgrade certain editions of Vista to higher ones. You cannot upgrade computers running Windows 2000 or older to Vista and must perform a clean installation if you wish to perform such an upgrade.
You also reviewed the method of performing product activation and looked briefly at how to keep your computer up-to-date with Windows Update.