Yes, too many items is free :)
If you can play Minecraft then you can install the Too Many Items mod.
if you mean a black screen then it means the too many items you downloaded dose not support the version of minecraft you have the 1.9 too many items
The "too many items" mod jacks up chests. Turn it off, or accept the limitation.
Once you have installed Too Many Items, when you bring your inventory up, you can choose from a list of blocks/items that appears by the side and click them into your inventory.
Only Server OPS can use mods like Too Many Items.
Yes
no
TMI/NEI (Not Enough Items) (Too many Items)
Yes
I would use a mod called Too many items too, I have a tutorial for how to install the mod. (See "Sources and related links" below) Too many items is a ingame inventory editor.
Valid Size