It is difficult to imagine a time when there was no Windows operating systems and Microsoft was not so known. But if you actually see, there had to be a time when Windows operating systems were born and when people were beginning to witness a revolution. Yes, April was the month, 20 years ago, when the first Windows operating system from Microsoft, the Windows 3.1, was released.

It is the great grandfather of all operating systems we have today and an inspiration for several technological wonders that we have seen since then. The simple interface and the simpler functionalities of the operating system version hardly hint to all the good things that have been offered by the organization in these long years. In this birthday month, how about paying tribute to the first version of Windows OS? Undertake the visual tour available on the PCWorld website and surprise yourself with the lesser known facts of the Windows 3.1 version.