Most of the time, you don't buy Windows – you get it with a PC. But you still need to make sure you're getting the right version.
UpdatedMore Windows 10 details emerge, most recently murmurs of the next major Technical Preview build for desktop users.
Clutter looks at how you read your email and tries to make your life easier by filing the messages you don't need to see.
UpdatedThe Start button returns, and with Update 1, users can boot straight to desktop. But this is still refinement over reinvention.
UpdatedThe new version of OS X, Yosemite, ties the desktop OS closer still with Apple's mobile OS.
UpdatedGoogle Now comes of age and older devices rejoice: the OS formerly known as Key Lime Pie is here.
UPDATEDApple's iPhone and iPad update is now up to iOS 8.1.3, which fixes bugs and brings Apple Pay to some users.