Learn about changes to Xcode.
You get Xcode from the Mac App Store. It's a free download that installs directly into the Applications folder.
The Apple Developer Program provides everything you need to build and distribute your apps on the App Store for iPhone, iPad, Mac, and Apple Watch. Membership includes access to beta OS releases, advanced app capabilities, and tools to develop, test, and distribute apps and Safari extensions. For more information, visit Apple Developer Program.