1. More than 70.39% of Internet users around the world are currently running Windows, and there are 1,693,244,385 users.

1975–1981: Microsoft boots up

2. Bill Gates started Microsoft with Paul Allen in Gates’ 500-square-foot garage in 1975 with a huge vision—a computer on every desktop and in every home.

3. Microsoft currently employs 88,180 people who work across 32,404,796 square feet of Microsoft’s premises.

1982–1985: Windows 1.0

4. Microsoft shipped out the first copy of Windows 1.0 on November 20, 1985. Its TV commercial featured current CEO Steve Ballmer as an enthusiastic salesman.

5. Windows 1.0 only required a minimum of 256 kilobytes (KB), two double-sided floppy disk drives, and a graphics adapter card.

1987–1992: Windows 2.0–2.11

6. Control Panel made its first appearance in Windows 2.0.

1990–1994: Windows 3.0–Windows NT

7. Windows 3.0 had significantly better performance, including advanced graphics with 16 colors (16,777,216 colors in most screens today).