We now know when Apple is releasing macOS Mojave, named after a well-contoured desert: September 24th.

Mojave has a dark mode, more options for organizing your files, and brings more iOS apps over to desktop. It was first announced in June and a public beta became available at the end of June. The dark mode turns the brightly lit dock, taskbar, and chrome into a darker gray for browsing in the evening or just lowering the brightness for sensitive eyes. Meanwhile, the Mac App Store is getting a revamp, making new apps more prominent on the front page, like they are on the iOS store. Microsoft’s Office 365 is coming and so is Adobe’s Lightroom CC, as are the iOS apps Apple News, Voice Memos, Home, and Stocks.

You can now sort your files in “stacks” to place all the PDFs, photos, and videos together. And there are new security controls that let you give apps permission to see your location, personal data, and access your microphone, or deny them that access. Similarly, Apple will now let you block social networks like Facebook from tracking you online using your like buttons.