I have windows Vista 32 bit service pack 2 and ipod nano 7th generation which itunes version should I download? Lates version did not show ipod icon or allow me to activate my playlists.

Ummm... you download what ever is available at http://www.apple.com/itunes/download/ Why do you think you need anything different.

Windows System Requirements

• PC with a 1GHz Intel or AMD processor and 512MB of RAM
• Windows XP Service Pack 3 or later, 32-bit editions of Windows Vista, Windows 7, or Windows 8
• 64-bit editions of Windows Vista, Windows 7, or Windows 8 require the iTunes 64-bit installer
• 400MB of available disk space
• Broadband Internet connection to use the iTunes Store