Over the years, Micrsoft's Windows OS has changed. It has evolved. There's an easy way to explain the differences between each version, and it involves houses. Yes, houses.
Here ya go, from Windows 95 to Windows 8 with the variations explained using dwellings:
Of course, this comparison omits earlier versions, such as Windows 3.0, which would probably be a cave. Or a tent. Or a cave tent.
Japanese Twitter user Kataoka K uploaded the comparison yesterday, and the image currently has over six thousand retweets.