Swift 3 on Mac
To get up and going on a Mac, you simply need to choose the type of Swift toolchain you want to develop against. You can choose a version from the Download section. Swift on a Mac is included with Xcode, making it really easy to get started. Swift 3 requires you to have macOS 10.11.5 (El Capitan) or later and Xcode 8. Let's walk through the steps together and install Swift 3 on a Mac.
Download a toolchain - Grab the latest Swift 3 release or preview candidate from the downloads page on https://swift.org/. Xcode is created and maintained by Apple, selecting a release to download from https://swift.org/ will take you to Apple's downloads section on their developer portal.
Note
An Xcode toolchain is a special binary with a toolchain extension that includes Xcode and all of the tools and libraries that make up Swift (LLVM, LLDB, REPL, and other tools) all targeted at a specific Swift version. You can think of a toolchain as a bundled development environment that you install and...
