There are several ways to upload your new music library into iTunes on your PC. This is the simplest. Open My Music/iTunes/iTunes Music. Load one of Arizona Rips DVDs into your disc drive Click on My Computer and find the drive with the music disc in it. Right click on the music folder. Copy. Go back to the open iTunes Music folder Right click. Paste

All your music will be copied into iTunes Music intact in the Arizona Rips folder. You can rename it later.
Keep the music data DVD as a back up.

When you get ready to play with your music, open the iTunes window, select the folder with your music on it and drag and drop it into the iTunes music library window.
Now you are ready to create those great playlists and have a party!!

Here is another way:

Insert one of the discs you received from Arizona Rips into your disc drive.
Open iTunes from the Start menu. (Start/programs/itunes/itunes music).
Edit/preferences
Click the Advanced tab and place a check mark next to “Copy files to iTunes Music folder when adding to library.
Click OK
Click the file menu from the top left and select “Add folder to library”
Click the + sign next to My Computer. Find your music library which is on the disc you just inserted in the drive. Select it. Click OK to copy the music into iTunes Music.
Keep the music disc as a back up.

Mac people will intuitively know how to drag and drop the music into iTunes.