# Xcode Setup

Step 1: 
### Install Xcode
Open up the Mac App Store, search for [Xcode](https://apps.apple.com/us/app/xcode/id497799835), and click **Install** (or **Update** if you have it already).
Step 2: 
### Install Xcode Command Line Tools
Open Xcode, choose **Settings...** from the Xcode menu (or press <kbd>cmd â</kbd> + <kbd>,</kbd>). Go to the **Locations** and install the tools by selecting the most recent version in the **Command Line Tools** dropdown.
Step 3: 
### Install an iOS Simulator in Xcode
To install an iOS Simulator, open **Xcode > Settings... > Components**, and under **Platform Support > iOS ...**, click **Get**.
Step 4: 
### Install Watchman
[Watchman](https://facebook.github.io/watchman/docs/install#macos) is a tool for watching changes in the filesystem. Installing it will result in better performance. You can install it with:
```sh
$ brew update
$ brew install watchman
```