No, it's compatible with Windows XP, or Vista/Vista64.
Windows Vista has Windows Calender Hi, I'm looking for this too, Calendar Creator Plus for Windows Vista. Did you ever find it or an equivalent?
The game is already included in most editions of Windows Vista; there is no need to copy it.
Windows Vista can already run most XP applications, with no need for any additional software.
There is no rollback way to do it. You would need to reinstall XP fresh over the Vista install. Why do you want to do that anyway, is Vista not working for you?
Any type of Flash drive can be used in Windows Vista.
No.
Windows media center is available with Windows Operating systems - Vista, Windows XP Media Center Edition, and all editions of Windows 7 except for Home and Starter. If its a Vista OS may be you can call it a vista media center, so you need your computer to have Windows Vista OS.
DirectX 9 is included with Windows Vista.
Windows Vista likely doesn't include drivers for your printer. You will need to download them from the manufacturer's website.
Most programs that run on Windows XP will also run on Windows Vista.
You can upgrade to from older versions of Windows to the latest like XP to Vista but installed programs will probably be removed and need to be reinstalled, and you need to be careful about the stored information on your computer. P.S. Windows 7 is newer and thus recommended instead of Vista in case you already did not know.
Absolutely yes.