Power BI application must be installed first from the following Microsoft Downloads site: https://www.microsoft.com/en-us/download/details.aspx?id=58494
OpenGround Power BI Connector can be installed & launched from the OpenGround Launcher.
If you are using the Microsoft Store version, you will have to update your OpenGround Launcher version from the Bentley Software Download.
The Web version of Power BI is not supported.
If the OpenGround Connector does not work, then check the security settings and ensure the following option is selected as this release of the Power BI OpenGround Connector is not certified yet.
To uninstall the connector, navigate to the following folder : '%userprofile%\Documents\Microsoft Power BI Desktop\Custom Connectors'
Now delete: 'Bentley.OpenGround.PowerBI.mez'