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
@@ -34,6 +34,11 @@
 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
 ```
 
@@ -67,6 +72,7 @@
 ## Development workflows
 
 - [Web workflows](./nix_web_workflows.md#development)
+  - [Download yarn dependencies](./nix_web_workflows.md#download-yarn-dependencies)
   - [Flow typechecker](./nix_web_workflows.md#flow-typechecker)
   - [Running keysever](./nix_web_workflows.md#running-keyserver)
   - [Running web app](./nix_web_workflows.md#running-web-app)
@@ -76,6 +82,7 @@
     - [Redux Developer Tools](./nix_web_workflows.md#redux-developer-tools)
     - [Debugging JavaScript](./nix_web_workflows.md#debugging-javascript)
 - [Mobile workflows](./nix_mobile_workflows.md#mobile-workflows)
+  - [Download yarn dependencies](./nix_mobile_workflows.md#download-yarn-dependencies)
   - [Running mobile app on iOS Simulator](./nix_mobile_workflows.md#running-mobile-app-on-ios-simulator)
   - [Running mobile app on Android Emulator](./nix_mobile_workflows.md#running-mobile-app-on-android-emulator)
   - [Running mobile app on physical iOS devices](./nix_mobile_workflows.md#running-mobile-app-on-physical-ios-devices)
diff --git a/docs/nix_mobile_workflows.md b/docs/nix_mobile_workflows.md
--- a/docs/nix_mobile_workflows.md
+++ b/docs/nix_mobile_workflows.md
@@ -1,5 +1,14 @@
 # Mobile workflows
 
+## Download yarn dependencies
+
+Yarn installation will install react native and many other needed dependencies used
+by all workflows:
+
+```
+yarn cleaninstall
+```
+
 ## Running mobile app on iOS Simulator
 
 First, make sure that the keyserver is running. If you haven’t already, run:
diff --git a/docs/nix_web_workflows.md b/docs/nix_web_workflows.md
--- a/docs/nix_web_workflows.md
+++ b/docs/nix_web_workflows.md
@@ -1,5 +1,14 @@
 # Development
 
+## Download yarn dependencies
+
+Yarn installation will install react native and many other needed dependencies used
+by all workflows:
+
+```
+yarn cleaninstall
+```
+
 ## Flow typechecker
 
 It’s good to run the `flow` typechecker frequently to make sure you’re not introducing any type errors. Flow treats each Yarn Workspace as a separate environment, and as such runs a separate type-checking server for each.