How can i put music on my iphone using itunes

in itunes click on file and select New Playlist. It will add a new playlist and be preselected so you can rename it. Give it the name of your choice, then drag whatever music that you desire on your iphone to your new playlist. Then sync your phone. On the music tab of the sync menu click on select playlist then chose the new playlist that you created and named. Then click apply.

Actually you can download the itune iphone app. Then you just need to sync Iphone with your computers playlist. This link can also help you.
http://www.askdavetaylor.com/copy_itunes_music_onto_apple_iphone.html

just plug the iphone to the computer using your sync cable and run any updates that may come up. Once updated you can select playlists that you want to sync or songs by artist. Make sure that your itunes is also updated since they have new features that can be very useful.

All in all, apple makes things easy for users. Just have itunes open and running and connect your iphone to it. The rest will be a breeze.

You just need to sync the two. When you plug in your iphone to the computer with itunes it will automatically come up in itunes. All you have to do is go to the music tab click sync and then sync now to get the music from your computer to your iphone.