# License Manager

![image description](../_images/1770040611022-20260202-135624-screenshot-ae.png)

Press this icon to access the [License Manager](rhopoint-appearance-elements-navigating-the-main-screen-license-manager.md)

The **License Manager** installs and manages licenses for instruments and modules in Appearance Elements.
[AE Licence Manager](rhopoint-appearance-elements-ae-licence-manager.md)

- Instrument licenses enable live connection and measurement; module licenses enable specific analysis workflows.
- Without a valid license, modules run in viewer‑only mode and measurement buttons are greyed out. [How to use AE without a license](rhopoint-appearance-elements-how-to-use-ae-without-a-license.md)

You can check the validity of your licenses at [licence-check.rhopointservice.com](https://licence-check.rhopointservice.com/).