> For the complete documentation index, see [llms.txt](https://docs.adobesandbox.com/comprehensive-technical-tutorial-archive/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.adobesandbox.com/comprehensive-technical-tutorial-archive/getting-started/ex4.md).

# 0.4 Set up the mobile app

## 0.4.1 Download the app

Go to <https://bit.ly/dx-demo-app> on your computer. You'll then see this.

![DSN](/files/vmDdJEeJJlY5yBEvFFeh)

Use the **Camera** app on your smartphone to install the mobile app for your device's OS. For this enablement, you need to install the **Version 2.x** which uses the Adobe Experience Platform Mobile SDK's.

{% hint style="info" %}
After installing the app for the first time on an iOS device, you might get an error message when trying to open the app which says: **Untrusted Enterprise Developer**. In order to fix this, you need to go to **Settings > General > Device Management > Adobe Systems Inc.** and click **Trust Adobe Systems Inc.**.
{% endhint %}

Once the app is installed, you'll find it on your device's home screen. Click the icon to open the app.

![DSN](/files/2EdNSiTn5aQfmCB3vSHw)

When you're using the app the first time, you'll be requested to log in using your Adobe ID. Complete the login process.

![DSN](/files/rjT781jV0kajizFZKmy6)

After logging in, you'll see a notification requesting your permission to send notifications. We'll send notifications as part of the tutorial, so click **Allow**.

![DSN](/files/ofjjLeDsgvFFcGyrnhZQ)

You'll then see the app's homepage. Go to **Settings**.

![DSN](/files/EqP4L1gw3OkyRlL6DJNK)

In settings, you'll see that currently a **Public Project** is loaded in the app. Click **Custom Project**.

![DSN](/files/jdFs0Iw9066TOdXUfhNX)

You can now load a custom project. Click the QR code to easily load your project.

![DSN](/files/LMCyjpsaMp6A9a8Gzn5U)

After exercise 0.1, you had this result. Click to open the **Mobile Retail project** that was created for you.

![DSN](/files/u8gbzHQT1FRDxEK6NrnL)

In case you had accidentally closed your browser window, or for future demo or enablement sessions, you can also access your website project by going to <https://builder.adobedemo.com/projects>. After logging in with your Adobe ID, you'll see this. Click your mobile app project to open it.

![DSN](/files/UwlwvOsLXlvvAg9tHo2c)

You'll then see this. Click **Integrations**.

![DSN](/files/SHtpoKe6QfqPgNiCnW2I)

You need to select the Data Collection property for mobile that was created in exercise 0.1. Next, click **Run**.

![DSN](/files/CLUY49cG6N1f2yy5Q0If)

You'll then see this popup, which contains a QR code. Scan this QR-code from within the mobile app.

![DSN](/files/nQJGjBhlMqn8FWeeeOU3)

You'll then see your project ID show in the app, after which you can click **Save**.

![DSN](/files/cdjMftDdRqXQKjMYn8dg)

Now, go back to **Home** in the app. Your app is now ready to be used.

![DSN](/files/1cMypiYjfEFaZMnxCqh8)

You've now set up the Mobile App.