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Minecraft Launcher/Update Minecraft

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This page will describe how you can update Minecraft, how to roll back and why you should wait to update.

Be aware: Minecraft mods are saved in the minecraft.jar, so you will lose your mods when updating or rolling back.

Updating Minecraft[edit]

To update Minecraft, start the Minecraft Launcher. Click "Options" next to the username textbox, then "Force update!" on the "Launcher Options" window. Finally, click "Done" and login with your Minecraft credentials. Minecraft will start updating itself. This can also be used to get a fresh Minecraft installation (it WILL keep your saves and texture packs, but NOT your mods.).

Re-updating Minecraft[edit]

If you want to restore your Minecraft installation to a previous version, you need the original minecraft.jar file (of the version you like to roll back to) which was downloaded by the Launcher.

Creating backups of the minecraft.jar[edit]

Best way to get the minecraft.jar backup fully legal is just to create it by your own right after you downloaded the latest version:

In the Minecraft Launcher, click "Options" and then click on the Path right behind "Game location on disk". In the File Explorer, open "bin" and in which you will find minecraft.jar. Copy it, for example to a folder on the desktop named "Minecraft Backups". It's recommend to create a subfolder which is named with the version which you are backing up, for example "1.2.5".

Restore previous versions[edit]

If you already have the minecraft.jar of the previous version (or Pre-Release), you just need to replace the minecraft.jar in the .minecraft/bin folder with your backed up version. The best way to do this is to delete the current one and then paste the wanted one in its place. Make sure it's named "minecraft.jar" or "minecraft" as well, if not name it that way (if it has the ending ".jar", rename it to "minecraft.jar", otherwise rename it to "minecraft".)

Pros and Cons of Updating[edit]

Pros[edit]

  • Newer versions often contain bugfixes and new game contents.
  • Most of the available servers are updating their software to the current version, so you'll have a wide choice of servers to join.

Cons[edit]

  • Minecraft runs more slowly: If you have an old PC (or a bad performance PC, like a netbook), Minecraft will run with less FPS (for example, on a netbook it can fall down from 11 FPS to 3 FPS). This is important since version 1.3.1 (because singleplayer runs as a local server since then).
  • You need newer versions of texture packs and mods: Because there are new blocks and other things in newer versions (this is most important with major updates, like from 1.1.X to 1.2, or from 1.2.X to 1.3 etc.), mods and texture packs may not work with a new Minecraft version. Tip: Wait until a newer version of EVERY mod/texture pack you like to use is available (especially ModLoader, because it's needed for most mods), then update.