If you're following along, download the Audacity installation file.

Step 1: Download the application setup file You can download your own file, or follow along using Audacity (recommended for your first time) before you try this method on your own applications. The example application I'm going to make portable is Audacity, an open source audio editing program. Please note: I'm not referring to U3 flash drives that's a different ballgame in several ways (even though they can be used much the same way). Looks like it's time to learn how to create a portable app for flash drive. So, you found a really cool application and there was no pre-packaged version of it anywhere on the internet that would install it to your USB drive. Aibek compiled an excellent list of 100 Portable Apps for your USB Stick that I would recommend checking out if you're looking for pre-packaged programs to put on your thumb drive. These apps, games, and utilities will run from your USB stick when you plug it into a computer(provided that they're on the operating system the programs run on). Sites like PortableApps actually have pre-packaged applications that you can install directly to your USB drive. Using your flash drive as a backup and transfer device is great-but you haven't really unlocked the potential of the USB until you've installed some programs on it. This is in fact, what most people do with thumb drives-nothing special so far.

Thanks to the convenience of the modern thumb drive, I can copy documents or other important files onto a small drive that fits in a change pocket, and transfer them to another computer. Personally, I have two flash drives on my keychain right now, and I can't imagine how I ever got by without them.

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