Write an article based on this "Launch iTunes and open Preferences. Once in preferences, click the Advanced tab on the far right. Click the check box next to "Copy files to iTunes Media folder when adding to library. Click File → Library → Organize Library. Check the box that says "Consolidate files."

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This process can be different on Macs and PCs.  Mac: iTunes → Preferences  PC: Edit → Preferences  " Click "Ok" once you've double-check that it is indeed selected. With this option checked, iTunes automatically makes copies of files you add to your library and puts them into the iTunes Media folder. If you wish to save space on your hard drive, you may want to delete the original files after you've confirmed the copies exist in the Media folder.  " Click "Ok." Copies of your media files with now be added to the iTunes Media folder. You've finished consolidating.