I would like to install Forge on Minecraft versions 1.4.5 or 1.3.2 (to anyone wondering why, it's to use IndustrialCraft² , which is only avaiable for this versions or earlier ones). I found download links for the older versions inhttp://files.minecraftforge.net/minecraftforge/index_legacy.html , but the installer I got from http://www.minecraftforge.net/forum/index.php/topic,2019.0.html only works for version 1.7.2. I have no idea how to install it without the installer. Thanks for any help.