To install the Cloudpress Google Docs Add-On, open the Add-ons menu in Google Docs, and select the Get add-ons… option.
Search for “Cloudpress” in the G Suite Marketplace.
Click on the Cloudpress Add-On listing in the search results and then click on the Install button:
You will be prompted by Google whether you want to give Cloudpress access to your account. Cloudpress requires these permissions to read the content of your documents in order to be able to export it.
Review the permissions, then click on the Allow button.
Once the installation is complete, you can configure the Add-On.