Yes you can via a Windows Vista CD or DVD.
No. Obviously, if you upgrade to Windows Vista, you will have Windows Vista.
Sorry only for Windows 2000 / XP /Windows Vista /Windows 7
They are "compatible" in the sense that many applications that run on Windows XP will run on Windows Vista.
Yes ofcourse, Windows Vista is upgraded version of Windows XP. Obviously it can run Windows XP applications.
No.
You cant, windows xp sucks. Windows vista the best! with windows vista you can do it!
No. Due to the length of time between the releases of Windows XP and Windows Vista, as well as Windows Vista ditching support for some legacy technologies, there are many devices that will not function in Windows Vista but work in Windows XP.
Windows Vista is notably far more secure than Windows XP.
Windows Vista can already run most XP applications, with no need for any additional software.
Windows Vista, and Windows XP
Windows Vista.
"Vista XP" is not a computer type. Vista and XP are both previous versions of the Windows operating system. The current version of Windows is Windows 8.1.