Warcraft III Error "Unable to initialize graphics"

PC:
The error indicates that your computer does not meet the minimum system requirements to play Warcraft III or the Operating System and Graphical Drives need to be updated. Since patch 1.31 in May 2019, Warcraft III requires a 64 bit operative system.


MAC:
This error indicates that your Mac computer does not meet the minimum system requirements to play Warcraft III. Since patch 1.31 in May 2019, Warcraft III requires a 64 bit operative system and Metal graphic API.