Meet macOS: Here's all the ways your Mac will completely change this fall

OS X is dead. Long live macOS.

At its annual Worldwide Developer Conference on Monday, Apple announced macOS Sierra, the next version of its computer operating system for Macs shipping this fall as a free update. It'll be available as a developer preview in July.

With macOS, Apple now has all of its operating systems for its various devices all tidied up. iPhone, iPad and iPod touch have iOS, Apple Watch has watchOS, Apple TV has tvOS and now Macs have macOS.

It's not just new branding. macOS will come with some useful new features.

Auto-unlock is one new feature that lets you automatically unlock your Mac when it detects you're wearing your Apple Watch right near it. Read more...