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 # Building

+We typically develop against the latest stable version of XCode.
+
+As of this writing, that's XCode 9.4
+
 ## 1. Clone

 Clone the repo to a working directory

+```
+git clone https:github.com/signalapp/Signal-iOS
+```
+
+Since we make use of submodules, you must use `git clone`, rather than
+downloading a prepared zip file from Github.
+
 ## 2. Dependencies

 To build and configure the libraries Signal uses, just run: