Lets see OSx do that. Between upgrade installs and Migration Assistant (to move from PowerPC OSX to Intel OSX, where you obviously can't just do an upgrade install), it's quite possible to go from OSX ...

Do you remember Windows 1.0? Chances are, your answer is “no.” When Microsoft released the very first version of Windows nearly 25 years ago, on Nov. 20, 1985, it was late to the game and little used.

Members of the Windows 1.0 team at their 40-year reunion this week. L-R, kneeling/sitting: Joe Barello, Ed Mills, Tandy Trower, Mark Cliggett, Steve Ballmer (holding a Windows 1.0 screenshot) and Don ...

After nearly four decades, an ancient secret buried deep in Windows 1.0 has been discovered by an intrepid digital archeologist. It’s a simple Easter egg, but one which was most likely impossible to ...

Depending on how you count them, there have been 15 major versions of Windows, with Microsoft's inconsistent naming scheme resulting in the current version of Windows being Windows 11—go figure. A lot ...