Editor’s note: Bill Gates unveiled Windows 1.0 to the world 30 years ago, before finalizing it and shipping it two years later. Now’s a good time to revisit our look at an operating system that helped shape personal computing over the years.

Two years ago today, when Windows 1.0 celebrated its 25th birthday, we didn’t yet know what the future of Windows would hold. Now that Windows 8 is on the market, the original is more relevant than ever before. Today, Windows 1.0 turns 27, and despite the many ways computing has changed since its debut, the two operating systems have some surprising similarities. Let’s take a look at just how far we’ve come since Windows 1.0… and where Microsoft is retracing its own footsteps with the latest version of Windows.

On November 10th, 1983, Microsoft announced Windows. For $99, it came with a notepad, calendar, clock, cardfile, terminal application, file manager, a game of Reversi, Windows Write, and Windows Paint. The original press materials, prepared using Windows Write, had this quote from Bill Gates:

“Windows provides unprecedented power to users today and a foundation for hardware and software advancements of the next few years. It is unique software designed for the serious PC user, who places high value on the productivity that a personal computer can bring.”

Windows 1.0 looked like this: