Navigate to the Modules tab and click on the Add a New Module.
Click Browse to open the dialogue box letting you search your computer, select the zip file you downloaded and click OK.
Click Upload this Module.
Click Install to install the module.
For configuring the module, Click Configure.
Important Point: If the store is open while the module has not been fully configured, it might be a good idea to deactivate it, by clicking on the green check. Once the module is configured, click on the red X to reactivate it.