no
http://www.apple.com/itunes/download/ Then just click: "Windows Xp or Vista" and give them your email address
Yes.
No, only Mac and Windows XP (and newer)
If in Windows XP, your iTunes Library was in your My Music folder (C:\Documents and Settings\[username]\My Documents\My Music\iTunes), in Windows Vista, it should be located here: C:\Users\[username]\music\iTunes
Windows XP is a classic version of windows. Itunes would install on it but it may be the much newer version of itunes. A tape camcorder works on windows xp but not on vista. New programs may not work on old systems but you can try to troubleshoot. Try deleting some items, your computer may be a bit full and not enough room for the itunes and try looking up some files needed for the installation.
This is how to do it on Windows Vista. To find out how to do it on Windows XP, go to the question "How do you import iTunes music into WMP?"First, open Windows Music Player. Then open "Documents" then "Music" then "iTunes" then "iTunes Music". You can now drag your music to Windows Media Player Library.
This is how to do it on Windows XP. To find out how to do it on Windows Vista, go to the question "How do you import iTunes music into WMP in vista?"First, open Windows Music Player. Then open "My Documents" then "My Music" then "iTunes" then "iTunes Music". You can now drag your music to Windows Media Player Library.
You cannot install Windows ME over Windows XP from within XP. If you must (for whatever reason) install Windows ME, you will need to boot from the CD.
The iPod nano, is supposed to be used on iTunes. iTunes should recognize it.
Windows 95 to Windows 98, and then to Windows XP
Windows XP is not downloaded. You will need to contact Compaq to order a Windows XP CD. If you find a copy of Windows XP to download, it is a boot leg copy.
There is no need to have a copy of Windows XP, as Windows XP Mode (which is a feature part of Windows 7 Professional and Ultimate) comes with a fully licensed version of Windows XP with Service Pack 3. A step-by-step instructions on how to download and install Windows XP Mode for Windows 7 can be found at related links section of this question.