Before you decide to mod modify your copy of Minecraft, it is very important to understand what you are doing or you may end up messing up your copy. If your copy of Minecraft is compromised, you can always backup your worlds and re-download Minecraft If you mod Minecraft, you may break your copy of the game as well as any worlds that you play in. Because you are doing something that is wholly unsupported by Mojang, they won't be able to help you. Due to how modding works, updating the Minecraft client will break your mods. That is, with each update of the Minecraft client, you will have to obtain updated mods and re-install them. However, the worlds you created will not be destroyed although any mod items in your world will not be present. Additionally, the authors of the mod make no guarantees as to whether or not the code works, much less any guarantees of support. Nearly all mod packs have auto-installers that make adding mods to Minecraft extremely easy for the beginner Modder. You can search for mod packs on the Mods page. Installation Tools and Prerequisites Before installing any mod, read the entire description provided by the mod author, as these will sometimes contain special instructions necessary to ensure the mod installs correctly. Further, be aware that while installing mods, certain combinations will present conflicts, which is what occurs when a mod does not work well with another mod due to overwrites or edits that are incompatible. Mod authors will sometimes include specific mods that have known conflicts in their descriptions, but generally common sense may be utilized, for example, a texture mod will likely conflict with another texture mod that edits the same objects. If you experience a bug and have determined that it is unique to your mod setup, it is recommended to submit a detailed bug report to the author of the mod. Mods typically come packed in compressed files, which means you will need a tool to handle these files such as , , or another equivalent tool. Alternatively, or MCPatcher are installation tools that can assist with the installation process. If your copy of Minecraft breaks, then you should seek help from somebody in the modding community preferably the mod author. How Mods Work A. When you add mods to Minecraft, you are taking the. All of these files inside run through a process called. Furthermore, everything in the game , , , etc. As new content is added to Minecraft, new IDs are used. So Mojang will not be able to help you in any way, and are not responsible for crashes, data loss, etc. If not, a good measure of safety is to only install mods from a secure and safe website. Make sure to read the comments on mod posts before downloading and installing. If a mod uses an ID number that Mojang uses in the update, this will cause further issues, and your world might look weird, or potentially be completely broken and unusable. Mod authors do this of their own free will, and it can take weeks for them to update. However, this doesn't mean you should harass the author about it. Always be careful when downloading mods. Make sure you download them from the original source to minimize the risk of viruses and be careful with running anything you download on your computer. Custom Mods There are many mods that require other mods to work, because they use some of the code these other mods give. These are known as utility mods. These utility mods will need to be installed with the mod before Minecraft is run. Without them, the mod will not work and can even lead to Minecraft crashing. A much more list of mods can be found. Mod authors may give a configuration file to change item IDs. Find the conflicting ID, and change it. Just remember that when an update for Minecraft or the mod comes out, you must use the same item IDs, else the game will crash. If you want to test a mod without any risk, simply backup. Restoring it will revert everything to a pre-modded state including your worlds. It is possible that if you do so, when you remove the mod and then try to open or break the chest, Minecraft might crash. It will remove the chest and the items inside it without crashing the game. Backing up your worlds should be done every time you install a new mod. To do this, right-click on minecraft. Exit the folder once you have copied the class files. Follow the instructions on your download for clarification on where to copy files to. Exit the folder once you have copied the class files. Follow the instructions on your download for clarification on where to copy files to. Any OS: On most operating systems, you can click the button on Minecraft's which will open the folder. Simply navigate to the parent folder to get into the root of the. If you have encountered a crash like above, then this section might help you. Deleting Mods There are three ways to delete mods from Minecraft. If the mods folder does not exist, then refer to the next way. You can do this by deleting the. If so, most mods have a properties file to change the block and item IDs. If the file does not exist, then you have not used ModLoader.
