HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

i need to apply the android/ios addon to my mac version of unity but it says that i have used the code too many times for it to work again, i still want it on my windows version of unity, it says that another computer has used it and i want to delete that laptop from the code so i can have it on both mac and windows, help!!!

Contact support@unity3d.com