Remembering MS-DOS 5.0, my first Microsoft product, on the company’s 50th birthday
To get the answer, just put a decimal point in the number "50"—my first Microsoft product was MS-DOS 5.0.
PCMag13h
A Visual History: Microsoft Windows Over the Decades
Microsoft is turning 50, and nothing has defined the tech giant more than Windows. Like you, we've loved some versions of the desktop OS, and others...not so much.