How Windows 7 Got Its Name??

Here is how it pans out, with broad strokes:

One. The very first release of Microsoft Windows: Windows 1.0

Two. The second release of Microsoft Windows: Windows 2.0

Three. The third release of Microsoft Windows (3.0, 3.1): Windows 3.0

Four. The fourth release of Microsoft Windows (95), code named Windows 4.0

Five. Then, Windows 2000 was Windows 5.0; Windows XP was Windows 5.1

Six. The release of Windows Vista was code-identified as Windows 6.0

Seven. So, the next release of Windows is be called “Windows 7“.

Eight. And the name of next release is decided to be "Windows 8"

Microsoft has decided to name its next releases in the same fashion...