> For the complete documentation index, see [llms.txt](https://mobidonia.gitbook.io/react-app-builder/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mobidonia.gitbook.io/react-app-builder/local/environment-setup.md).

# Environment Setup

You will need Node, Expo, Firebase Tools ( if you get *EACCES*, use **sudo** before the commands )

1. **Install node and npm**: Download it from [here](https://nodejs.org/en/). ( Use latest stable version )
2. [Install Visual Studio Code](https://code.visualstudio.com/) \
   ( *Will use it for text editing and terminal - You can use any text editor and terminal/cmd)*
3. **Install Expo**: Follow [instructions](https://docs.expo.io/versions/v35.0.0/get-started/installation/). ( `npm install -g expo-cli` ) \
   \&#xNAN;*( If you get 'expo' is not recognized on windows read* [*here*](https://stackoverflow.com/a/55196790)*)* 
4. **Install GIT**: Follow instructions ( [MAC](https://www.atlassian.com/git/tutorials/install-git) | [Windows](https://www.atlassian.com/git/tutorials/install-git#windows) | [Linux](https://www.atlassian.com/git/tutorials/install-git#linux) )

[Expo](http://expo.io/) is a platform build on top of React Native, that allows you an easy and fast process of making React Native Apps in the cloud. We also use expo app compilation process. 

Create Expo Account and then in your computer's terminal/cmd login into expo

```
expo login
```

To verify your installation run

```
node --version

npm --version

expo --version

git --version
```

{% hint style="success" %}
Start empty expo.io project. 

To confirm your computer is ready, pls create and run empty expo project. 

More informations here. \
\
<https://expo.io/learn>
{% endhint %}

{% hint style="danger" %}
Before submitting ticket, make sure you can run an empty expo project.
{% endhint %}