Microsoft

Bill Gates and Paul Allen were childhood friends before founding Microsoft

The two bonded over a teletype terminal at their school, which required a $40 hourly fee for computing time. They were banned from using the device after exploiting a bug that allowed them to bypass the fee, only to be later offered free computing time for finding more bugs.

Microsoft's initial successes came from promising products that did not yet exist

In discussions with teams responsible for MITS's Altair 8800 and IBM's PC, Bill Gates and Paul Allen claimed to have created ready-to-use software. Code for the former was not completed until Paul Allen's flight to MITS' headquarters, where the software was successfully tested for the first time.

Microsoft paid $50k for the foundation of the OS they licensed to IBM

Rather than write MS-DOS from scratch, Bill Gates purchased the full rights to QDOS—Quick and Dirty Operating System—from Seattle Computer Products only weeks before IBM's PC hit the market. The IBM deal allowed Microsoft to license its OS to other manufacturers, ensuring it was not dependent on IBM's long-term success.

Explore a visual history of the Windows operating system

Named after the windows that separate different applications, the operating system’s first version came preinstalled with Calculator, Paint, and Reversi. There was no Windows 9 to avoid compatibility issues with legacy code searching for Windows 95 and 98 files via a “windows9” query.

The first smartwatch was made by Microsoft in 1994

Coproduced by Timex, the Timex DataLink 150 featured a small LCD screen and could transfer data to and from a Windows PC. Like the Windows XP Tablet that launched in 2002, the smartwatch did not sell well, and both products are considered to have been released before their time.

The default wallpaper for Windows XP, 'Bliss,' was taken in Sonoma, California

Captured by National Geographic photographer Charles O'Rear in 1996, the photograph was uploaded to the stock image site Westlight in 1998, before being purchased by Microsoft. As of 2023, the hillside in the image is now home to rows of grapevines.

Microsoft's Flight Simulator is one of history's longest-running software products

The program originated from a master’s thesis project on generating three-dimensional graphics, which was later combined with flight equations. The first version ran on the Apple II in early 1980, but its creator licensed the program to Microsoft two years later,

Eighty-four different pieces were composed for the Windows 95 startup sound

Brian Eno, the ambient music artist, was tasked with creating a 3.25-second jingle that was inspiring, universal, optimistic, and futuristic in tone. As with all of his compositions, Eno created the sound, which was double the requested length, on a Mac.

The Rolling Stones were paid $3M to have 'Start Me Up' in the Windows 95 promo

The fee was part of Microsoft's $300M advertising and promotional campaign for the operating system, which featured the Start button for the first time. The company also filmed sitcom-style infomercials featuring "Friends" TV stars Jennifer Aniston and Matthew Perry.

Office Assistants, including Clippy, were digitally edited with Macintosh computers

The animated characters served as intelligent user interfaces for Microsoft Office and were sketched by hand before being scanned. Clippy was selected as the default assistant after social psychologists at Stanford University identified it as the most trustworthy, likable, and humorous character based on public testing.