# Step 3: Assigning Roles

Source: [https://docs.virtosoftware.com/docs/calendar-overlay-pro/administrators-guide-to-installation-and-configuration/step-by-step-installation-instructions/step-3-assigning-roles/](https://docs.virtosoftware.com/docs/calendar-overlay-pro/administrators-guide-to-installation-and-configuration/step-by-step-installation-instructions/step-3-assigning-roles/)


Appoint a **License Manager** and/or **Calendar Manager**

- After installing Virto Calendar App, you must appoint a License Manager and/or Calendar Manager. **This step is crucial for effectively managing licenses and calendar settings.**
- To assign these roles, follow the detailed instructions in our [documentation](/docs/calendar-overlay-pro/administration-and-system-requirements/user-permissions/).