Developer Portal

Apple Developer Portal
The Apple Developer Portal is a website that provides access to a range of tools and resources for developers who want to build and distribute apps for the Apple platform, including iOS, macOS, watchOS, and tvOS.
The portal is only accessible to members of the Apple Developer Program. 
1.Go to the Apple Developer website -  https://developer.apple.com/​
2.Click on the "Account" tab.
3.Sign in with your Apple ID.
Use the Apple Developer Portal to:
Access development tools, including Xcode, the iOS Simulator, and other tools and resources for building and testing your apps.
Submit your apps to the App Store, the Mac App Store, and the Apple Developer website.
Access technical support and resources to help you build and distribute your apps.
Participate in the Apple Developer forums and get help from other developers and Apple engineers.