However, what you can do is uninstall the entire Xcode app if you'd prefer to only access these tools and not a whole load of software that isn’t going to be of much use.
Mac OS X 10.9 onward, Xcode was already installed, which is why you aren't able to download these tools.We will add more simulators to the final image. Xcode is now version 11.0 Beta 6 Version 11M392q Since this is a beta image, we have a reduced set of simulators, all running iOS 13.
