A lot harder to open than its glass counterpart.
Windows, which was copied, edited, then sold for billions by Bill Gates(see antichrist ), is just as good as Linux or Mac OS X, without the whole "Working" and "running" thing. To sum it up: The worst mistake of your life would be to buy it.
Person 1: " OMG, I accidently just blew up my office, killing thousands!"
Person 2: " You think you made a mistake? I BOUGHT WINDOWS!"