I just got Xcode and I am trying to follow an online tutorial but in every single tutorial, when a new project is made (a single activity) app, the project comes with 2 file
On latest Xcode release you should change in the dropdown menu from "Swift UI" to "Storyboard"
In the latest Xcode, select Storyboard from the User Interface dropdown,
Storyboard
Older Xcode
Unselect Use SwiftUI at the following step,
Use SwiftUI