You can install Workflows for Confluence Cloud in two ways; through the Atlassian Marketplace or within Confluence using the Universal Plugin Manager (UPM).
For both methods, you will need your Administrator’s permission to install the app to your Confluence.
Search for Workflows for Confluence and click Try Now.
Within Confluence, click Apps in the top navigation and click Find New Apps in the drop down menu.
Search for “Workflows for Confluence” and the app should appear in the search results.
Click Try it free and it will be added to your active apps.