This is useful if you want to retain your game data (launcher profiles, worlds, resource packs, etc.) when switching computers. Portable installation is, an installation that is not "integrated" with the computer, which is useful for managing multiple installations and generally keeping things organised. This tutorial explains how to run Minecraft on a portable location (e.g. If you want to make Minecraft portable for an older launcher version, please view this page instead. Before beginning this tutorial, note that the following guides are only for the 2.x launcher.