Vista Upgrade Advisor
No. You many uninstall it.
If a computer is running Windows Vista, it meets the system requirements for Windows 7. One can upgrade from Windows Vista to Windows 7 easily. Microsoft has prepared a webpage named as "Windows 7 Upgrade Advisor" for more information about the upgrade.
See the related link to the Windows Upgrade Advisor. It downloads a small program which scans your system to determine (a) whether your computer can handle Windows 7 and (b) tells you which upgrade to get.
upgrade advisor
You can download (free) and install a program called "Belarc Advisor". That will tell you if you are up-to-date on all Windows XP patches or not.
recommended changes to hardware
Windows Pro is not a operating system.
Windows 2000
Ø Microsoft's upgrade advisor App Go to microsoft.com. Should tell you what you need in your system to download. Not ready to my XP up unless i have to.
Windows 7 is the latest Windows Operating System
Windows, Windows XP, Windows Vista are example of operating System.