title: Xcode can’t be installed on “macOS Sierra” because macOS version 10.14.3 or later is required
body: <p>I need to pair my PC to a macOS to run the ios simulator in Xamarin .
  After downloading and running macOS high Sierra 10.12 virtual machine and downloading the Xcode I got some error ,</p>
  
  <p>The error : Xcode can’t be installed on "macOS Sierra" because macOS version 10.14.3 or later is required.</p>
  
  <p>I don't know if I have to download a new virtual machine or to update macOS Sierra or to download an earlier version of Xcode but each of these takes too much time so I need a guaranteed link for downloading if this the solution .</p>