> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://helpdesk.closum.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to activate two-factor authentication?

**Step 1** - Click on **Settings**.

![](https://storage.crisp.chat/users/helpdesk/website/-/1/3/2/3/13239d1250467e00/image_11holvr.png)

**Step 2** - Click on **Profile**.

![](https://storage.crisp.chat/users/helpdesk/website/-/1/3/2/3/13239d1250467e00/image_aeyg7d.png)

**Step 3** - Navigate to "**2-factor authentication**" and click on "**Activate**".

![](https://storage.crisp.chat/users/helpdesk/website/-/1/3/2/3/13239d1250467e00/image_9f9sdo.png)

**Step 4 **- Enter your mobile phone number.

![](https://storage.crisp.chat/users/helpdesk/website/-/1/3/2/3/13239d1250467e00/image_h96nsw.png)

**Step 5** - Validate Number.

![](https://storage.crisp.chat/users/helpdesk/website/-/1/3/2/3/13239d1250467e00/image_16hmifj.png)