It will continue to do exactly the same thing…on exactly the same hardware and OS. Chances are that in several years, you’ll be using newer hardware and a newer

It will continue to do exactly the same thing…on exactly the same hardware and OS. Chances are that in several years, you’ll be using newer hardware and a newer OS. So the old software might not work at all. Or, it might work, but not use new hardware capabilities. An example of this is old X11 software: it runs on a modern Mac, but is unaware of Retina displays so it looks horrible.