diff --git a/docs/nix_dev_env.md b/docs/nix_dev_env.md
--- a/docs/nix_dev_env.md
+++ b/docs/nix_dev_env.md
@@ -34,11 +34,26 @@
 To install and configure the [Nix package manager](https://nixos.org), please run:
 
 ```
+# Pull down Git repository
+git clone git@github.com:CommE2E/comm.git
+cd comm
+
+# Install Nix and Comm binary cache
 ./scripts/install_nix.sh
 ```
 
 ## Workflow prerequisites
 
+### Download yarn dependencies
+
+Yarn will install React Native and many other needed dependencies used by all workflows:
+
+```
+yarn cleaninstall
+```
+
+### Workflow specific prerequisites
+
 On macOS, [installing Xcode](./nix_mobile_setup.md#xcode) is a prerequisite for all workflows.
 
 - [Web prerequisites](./nix_web_setup.md#nix-web-requisities)