Are you frustrated of waiting for the latest release of CB? Did you accidentally update to the latest Minecraft update without a backup? Then MC Downgrade is for you! It is tool which is based on MCNostaglia, it uses binary differences. This does not download the .jar in any way. The source code will be put up shortly ... Alright, I spent about couple hours on this program. There a lot of bugs in it so please let me know. System Requirements: .Net 3.5 (or higher) Python 2.7 (Install included) Minecraft (untouched!) Internet Access XP/Vista/Windows 7 Features: Easy Download and Install of Python Easy download of patches Simple Patch/Unpatch Backups Screenshot/Tutorial: Changelog: Code: Version 0.8 - More bugfixes Version 0.7 - Fixes the backup bug for XP Version 0.6 - Better XP support Version 0.5 - Windows XP support added - Bug fix Version 0.4 - Added automatic versions (automatically gets the minecraft version list) - Icons for the GUI Version 0.3 - More bug fixes Version 0.2 - Easier to use - Fixed bugs Version 0.1 - Initial release Download: http://www.minecraftforum.net/topic/284331-tool-mc-downgrader-legally-downgrade-minecraft/ This tool is heavily based on MCNostalgia by CyborgDragon. Servers cost money to run, please click the donate button to help offset the costs .