The Apple iPod provides a way for you to listen to your favorite music on the go. The iPod can also store apps and act as a backup for your computer. If you are unfamiliar with copying applications from the iPod to the computer, you can use a few free applications that do the job for you. These applications let you connect to your iPod and copy the files from the iPod's hard drive to the computer where the iPod is connected.
Install CopyToy on your computer. CopyToy is a free download that takes the place of iTunes, if you do not have iTunes on your computer. The software takes all applications, including MP3 files, and copies them to your computer's hard drive. The applications you copy over must be installed on your computer, if they are not already installed.
Install iTunes from Apple, the maker of the iPod, ITunes lets you synchronize applications, songs and notes from the iPod to your computer. It also lets you update your iPod software, which fixes bugs and sets up the iPod with any settings from your computer.
Install iPod to PC on your computer. iPod to PC is a software application free to try for the first 100 days. The software lets you copy applications, podcasts, music and movies to your computer. This software also has the "Effect Editor," which lets you manipulate videos and pictures when you transfer them from the computer.