Talk:World Anchor/@comment-58.179.254.193-20120916051523/@comment-76.189.124.72-20120917162855

If you mean Minecraft 1.3.1, you don't. It's still 1.2.5 because many important mods (buildcraft Ic2 redpower EE etc) aren't updated to 1.3.1. The people who run the launcher are probably waiting for it to happen so they can realese the new version.