Click to take a stack (Shift: all that fits). Click a pack item to store it. Recipes can use what's stored.
Chest
Click a stack to move it between chest and pack.
Pack
Click a slot to pick it up, click another to put it there. Esc cancels.
Make
Left-click: walk, gather, attack · Right-click: place, eat, open · 1–8 or wheel: hotbar · I pack · Q E R F spells · N map · + / − zoom · M sound · Enter talk · H guide · O settings