> 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-license.md).

# Button License

### ![](/files/rOi5CGs08D5mtRw4iPFx)

### OMrun License Types

* **Full-Version**\
  Allows designing and running test objects within OMrun.\
  Checks number of concurrent running instances if OMrun is called via command line.
* **Runtime-Version**\
  Allows to run and execute Test Objects only. Typically used to run Test Objects via batch (within a batch file or Windows Task Scheduler).\
  Needs to be called with parameters via command line. It starts without front-end (no GUI will be visible during execution).\
  Checks the available number of concurrently running instances.

### Open License Dialog

The install / un-install dialog for OMrun license can be called from menu button "License" (see License Key for more details).

### Display License Information

Menu button About shows all information of your installed license key.