1) If you haven't already done so, download iTunes from Apple's website, for your operating system.2) Create an account with username and password.3) Authorize both your computer and your iPod Touch as "authorized computers for your iTunes account.Go to the menu "Store"-"Authorize Computer" at the top of the iTunes window.4) Once you've done this, you should be able to select "iTunes Store" from the items on the left side and enter your password to start downloading applications.5) Once you have the stuff in iTunes that you want on your iPod, they will be copied over when you do a Sync.*Note - Your iTunes will retrieve and prompt you to install updates for your iPT, and your iPod will automatically indicate when App updates are available (a big number, white in a red circle) will appear on the App Store icon.*Note - If you have wi-fi access wherever you find yourself, you can visit the "App Store" directly from your device.*Also note - The Coffee Bean & Tea Leaf stores usually offer free wi-fi service, unless Starbucks, who suck.