Do Health

How do you refill your health with a health potion minor in Diablo 2?
Like click the red potion and then what? Because I have a lot of health potion, but not knowing how to use it to fill my health. Sorry, I just started playing Diablo.
Click right to use the potion. Or hit the number corresponding to the slot in his belt. If you have potions on your belt, press 1-4 to use the potion there.
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