# License Key

### ![](https://2873353689-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfK1YJaTCqOiS0L22wVKG%2Fuploads%2Fgit-blob-eb8a41e659966950d246ba9c36dbdf72e9bcecb5%2FButton_license.png?alt=media)

### Open License Dialog

The install / un-install dialog for OMrun license can be called from menu "License" or by using a specific command line parameter (LIC:Modify).

### Enter License Key

OMrun requires a license key. The license key must be entered at the first start of OMrun. The license dialog appears automatically if no license key has been activated yet.

<figure><img src="https://2873353689-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfK1YJaTCqOiS0L22wVKG%2Fuploads%2Fgit-blob-12e7e15db3922f4b0a9de9a53f0e159f2c464160%2FOMrunHelp_license1.png?alt=media" alt="OMrun license window"><figcaption><p>OMrun license window</p></figcaption></figure>

### License Key Information

The OMrun license contains the some information (visible under menu button "About").

### License Key Path

The OMrun license file is saved under the path below:\
`C:\ProgramData\OMIS\Licenses\OMrun.lic`