You can get all of the previous minecraft.jar files directly from mojangs website. Whenever they post a pre-release it is exactly the same as the regular release. Its just so people can get their servers ready and update texture packs before the official release.

Here it is: http://mojang.com/2012/12/minecraft-1-4-7-pre-release/

Honestly... if you are having problems with 1.5 just install the 1.5.1 pre-release it fixes the hordes of bugs that were in 1.5. I heard that 1.5.1 is even compatible with 1.5 servers.

Here is 1.5.1: http://mojang.com/2013/03/minecraft-1-5-1-pre-release/




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Don't go to the bin. Go to roaming, right click .minecraft, and use the .minecraft's previous versions

I have downloaded MCNostalgia and every thing, but when I try to downgrade, it says I don't have the files I need in my Minecraft bin folder. It said to delete it, and I did delete it but the same thing still popped up.

Why do you want to downgrade? Also, just backup jars in the future. Don't use Spout.Use MCNostalgia for downgrading.
http://www.minecraftforum.net/topic/106 ... algia-104/

use magic launcher

or use Spoutcraft which is 1.4.7 still.

get.spout.org