It never went away. On Linux you can use the "Mate" desktop environment, which is the 1990s windowing paradigm updated just enough to be fully modern. Windows

It never went away. On Linux you can use the "Mate" desktop environment, which is the 1990s windowing paradigm updated just enough to be fully modern. Windows until recently could be reskinned to look like Win2K, though I doubt that Windows 10 still can.