This video shows how to transfer iTunes library from one computer to another that has Windows 8. Transfer itunes music to a new computer with Windows 8. Essentially, if you need to move all of your apps, albums, albums art, music, songs and playlist from your old computer to your new Windows 8 computer, just follow what I do in my video tutorial.
Download itunes from here:
http://www.apple.com/itunes/download/