Thread:89261/@comment-108.51.137.176-20130729181313/@comment-3075738-20130730030620

Press O to toggle the NEI GUI when you're in your inventory.

To enable the top left cheat buttons, you need to go into your inventory's options and set it to

Cheat Mode.

To spawn in items, just left click the selected item to get full stack of items.

Right click the selected item to get one.

To quickly check the recipe of an item, hover your cursor over the item and press R