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 ...

Top 5 things you didn’t know about Windows 1.0 Your email has been sent Windows still has more than 75% of the market on the desktop, but that wasn’t inevitable ...

Windows 1.0 officially released to the public 40 years ago today (November 20), and despite its age, still has some common similarities with what users can expect from the operating system today.

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 ...