# Step 2: App Authorization and Permission

Source: [https://docs.virtosoftware.com/docs/calendar-overlay-pro/administrators-guide-to-installation-and-configuration/step-by-step-installation-instructions/step-2-app-authorization-and-permission/](https://docs.virtosoftware.com/docs/calendar-overlay-pro/administrators-guide-to-installation-and-configuration/step-by-step-installation-instructions/step-2-app-authorization-and-permission/)


This step should be performed by a **Tenant Administrator** only.

Please follow [these instructions](/docs/calendar-overlay-pro/installation-and-configuration/authorization-and-permission-request/) to complete this step.