> For the complete documentation index, see [llms.txt](https://docs.fairmath.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fairmath.xyz/fair-math-payments/transfair-for-safe/installation.md).

# Installation

To start using Private transactions in SAFE, you need to install Safe App within your existing Safe account. This takes less than a minute.

#### 1. Open your Safe and go to the “Apps” section

Log into your Safe via the [Safe interface](https://app.safe.global/), select the Safe you want to use, and click on the **“Apps”** tab in the left sidebar.

<figure><img src="/files/x3Tp5HDFBhsYvLz3qn2p" alt=""><figcaption></figcaption></figure>

#### 2. Click on “Add Custom Safe App”

Scroll to the bottom of the page and click the button **“Add custom Safe App”**.

<figure><img src="/files/mu8zUbFLlMNtKsunKr9f" alt=""><figcaption></figcaption></figure>

#### 3. Enter the app URL

In the pop-up window, paste the following URL: `https://app.payments.fairmath.xyz`

Then click **“Add”** to save it.

#### 4. Launch the app

<figure><img src="/files/xAcuvkkwoQnXnuRRqCRm" alt=""><figcaption></figcaption></figure>

The Private Safe app will now appear in your Safe's list of custom apps.

Click on it to open the interface. The app will automatically detect your Safe address and initialize your private account.