The code for more people

Mac products
3

Hello Randy,
We are sorry to know that. It seems that you are not entering the correct license number to activate the product. To assist you better, could you please provide us the license  number you are using to activate?
Thank you

1

I have a license code for 3 computers but i put it on the second computer and it dont work

2

Hello Randy,
We are sorry to know that. It seems that you are not entering the correct license number to activate the product. To assist you better, could you please provide us the license  number you are using to activate?
Thank you