MClauncher is a program and you can download versions of minecraft from the launcher screen and play them! just select options and it says jar download. then click it and it gives you a list of versions to download! my favorite version is the survival test. just search digiex in your search bar and click on it and search mclauncher at the website. just download it and double click it and DONE! you may leave a comment and tell me your favorite update or version of minecraft! I am also learning how to make mods and i will post a video for how to do it on youtube very soon! here is a link to the digiex site and MClauncher link Digiex.