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 ...

Microsoft “re-released” Windows 1.0 this week as part of a partnership with that Stranger Things show I have yet to binge on Netflix. While it’s free for you to download and play with—on Windows, of ...