Log into your DNN portal using the Host login. From the Host menu choose Module Definitions.
From the Module Definitions menu choose Upload New Module.
Then browse to the Module package on your local computer that you want to install and choose Add.
Once all the module files have been added to the list, select Upload New File to upload and install the new Modules.
For more information on DNN Modules, please see the DotNetNuke Guided Tour.