> For the complete documentation index, see [llms.txt](https://dbi-services.gitbook.io/omrun-help/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dbi-services.gitbook.io/omrun-help/version-4.x/menu-functions/button-about.md).

# Button About

### ![](/files/z2Yp7PbxgjFAAWtLOrtO)

### Information about OMrun

The window "About" displays information below:

* **Version**\
  OMrun version installed on the system (see release notes).
* **License type**\
  Describes the installed license type (Full-Version and / or Runtime).
* **Expiry date**\
  Shows the expiry date for the active license. It expires on the date mentioned at 23:59:59.
* **Runtime instances**\
  Number of installed runtime licenses which are possible to execute concurrently.
* **Device name**\
  Displays the specified device name for the license which belongs to one computer only. If you plan to move your OMrun installation to another computer please contact us.

<figure><img src="/files/Zmcmv8KlyjrUAmpHV72R" alt="OMrun window &#x27;About&#x27;" width="80%"><figcaption><p>OMrun window 'About'</p></figcaption></figure>