Microsoft’s industrial strength Windows. It is still pretty flimsy compared
with its competitors, but its marketing is excellent. It is considerably more robust
than Win95 or Win98, but more difficult to install and has fewer device drivers. Java
no longer supports it. You must use W2K, XP, W2003, Vista, W2008, W7-32, W7-64, W8-32, W8-64, W2012, W10-32 and W10-64.