This mod may not display the damage of weapons from other mods. This mod should work with most of the other mods, which don’t use the basic Item classes (Item, ItemFood, ItemArmor, ItemSword, ItemTool).
Currently this mod supports four languages: English, German, Italian and Lithunian.
Download and install Modloader
Download Item Information Mod
Open the minecraft.jar (open %appdata%)
Copy the files in the Item Information Mod Files folder into it