# How do I re-install Nightfall DLP for Slack Pro Edition?

You must reinstall Slack to get the latest Slack integration features released by Nightfall. This document explains the process to reinstall the Slack app. 

1. In the Slack application, click **Nightfall Pro** under the Apps section.

<figure><img src="/files/no5HWzeAuq293JUUpJVG" alt="" width="563"><figcaption></figcaption></figure>

2. Click on **Nightfall Pro** on the to&#x70;*.*

<figure><img src="/files/d6IwQF5mOQJOZticwC4V" alt="" width="563"><figcaption></figcaption></figure>

3. Click **Configuration**.

<figure><img src="/files/oNYW4VVVwrtj8umgm9qI" alt="" width="563"><figcaption></figcaption></figure>

4. Ensure that a new browser window opened up and the **Configuration** tab is selected.&#x20;
5. Scroll down and click **Remove app**.

<figure><img src="/files/WSbYHY9wjHjNQ1dLH8HR" alt=""><figcaption></figcaption></figure>

6. A confirmation pop-up window is displayed. Click **Remove app** again to confirm the uninstallation of the Slack app.
7. Login to the Nightfall application.&#x20;
8. Click **Integrations**.
9. Click **Manage** for the Slack integration.

<figure><img src="/files/5joWB8zG2Yv0qaBu9E8R" alt=""><figcaption></figcaption></figure>

10. Click **Begin Setup**.

<figure><img src="/files/HDooyLM0VKn0e5iTDu8k" alt="" width="563"><figcaption></figcaption></figure>

11. Click **Allow**.

<figure><img src="/files/T4KYcHGWwkP8sG3OnCXI" alt="" width="563"><figcaption></figcaption></figure>

Follow the on screen instruction and complete the setup.&#x20;


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