General instructions are avaiable online 

After installation, the "3Dfindit" tab is located in the ribbon panel.

Clicking on it gives you access to four buttons, divided into 2 categories. 

Please go through below link for detailed steps.

https://3dfindit.freshdesk.com/support/solutions/folders/103000623855

Run MSI to install/uninstall the software. While installing select at least one CAD-System from the list (Autodesk® AutoCAD®, Autodesk® Revit®, and Autodesk® Inventor®).

In some cases, AutoCAD Share-View will not upload into the Cloud. In this case please update AutoCAD to the latest version.