GOG users may have noticed that GOG has a version of Diablo that runs happily on Windows 10 and thought nothing about it. But — wait a minute, Diablo was written for Windows 95 and DirectX 3, and never updated. How did GOG work magic to get it running smoothly on Win10?
This YouTube is worth a look for the fascinating story of backporting games and how Diablo can be made to run on a Nintendo Switch!