Minecraft Version Changer for Windows

The description of Minecraft Version Changer - Play With New Friends

Minecraft Version Changer provides a big list of Minecraft versions to choose from. It takes just seconds to change between versions. You can even generate a backup of your current jar file if you have any mods installed that you don't wan't to lose. Choose a version from the list, click on "Change" then let Minecraft Version Changer do the work for you.