two
Windows Vista Ultimate
Ultimate and Enterprise
Ultimate is a larger edition than Professional. If you want to downgrade you will need to buy Professional and do a clean install.
windows 7 ultimate
How do you install Windows xp in minimum time
Yes and it is very easy through windows anytime upgrade which is available in the start menu (outside a folder). First buy Windows 7 ultimate edition then enter the product key for it and you should know how to complete the process without difficulties!
Because it is ultimately created by Microsoft. The Ultimate edition has all the features of both Home Premium and Professional.
No...
Windows Vista Ultimate is a premium operating system produced by the Microsoft Corporation. The term "Ultimate" describes the product as the most premium version of Windows Vista, it includes all additional features. Another example of "Windows Vista Ultimate" : Windows Vista Home Basic
Yes.
yes
Yes, you can.