Macs come standard with iTunes. For Windows computers, iTunes can be downloaded for free at http://www.apple.com/itunes/download
If you mean the same iTunes account, then yes. My sister has the same account on iTunes on our home computer as well as her laptop. But if you buy some songs from the iTunes store from one of the computers and you want the new ones on your other computers, you'll have to sync those songs into the other computers' iTunes.
Just download a new Itunes to the other computer. The musics stored in the former computer you can move into a pendrive and tranfer them to the other computer.
computers talk to each other so the should send a meessage for the itunes library. computers talk to each other so the should send a meessage for the itunes library.
Most computers should automatically recognize your iPod as a drive, anyway, without iTunes.
if you can access itunes on your phone you can download music through there ,but if not you can use itunes on your computer , download them through there and synchronise your iphone with your computer.
buy them from the appstore, on your computer through itunes, or snyc previously bought apps through itunes
The Home Sharing feature in iTunes 9 will work with Macs or Windows and between Macs and Windows. Ensure that iTunes is running on all sharing computers and that you are logged into the same iTunes account on each computer.
First download the apps onto your computer using iTunes. Plug in your iPod to your computer, open iTunes, and set the sync settings so that you can download apps to it, sync your iPod and you should see the apps on there. This requires an iTunes account.
When it has the USB cable and the iTunes logo, plug it into your computer and open iTunes, it just does that because it has to programed on a computer, but all you have to do is plug it in and let it sync, that's all. You have to have iTunes installed on your computer though, if you don't go to apple.com and click the tab that says iTunes and on the left side it will say download iTunes.
You access itunes on your computer by opening up the file to where you've downloaded itunes to. You open the browser to where itunes has been saved and will restart your computer once you've clicked on it in order to add itunes onto your desktop.
iTunes for the computer is very different than the iTunes that you have on your iPod Touch. You can only have the iTunes from your computer when you download it for your PC (not for the Mac, there are two separate iTunes softwares) from Apple's website.