Please note the instructions from Atlassian for installing the Linchpin User Profiles app:
Follow the Universal App Manager installation instructions if you are already using Confluence.
- Log into your Confluence instance as an administrator.
- Go to the Confluence administration and select "Find new apps" in the left-hand panel under Atlassian marketplace.
- Enter Linchpin User Profiles in the search field and press Enter. You'll see the most recent version of the Linchpin User Profiles app in the search results.
- Click "Free trial" to test the Linchpin User Profiles app for 30 days, or "Buy now" to purchase a license for the Linchpin User Profiles app.
- You will be redirected to MyAtlassian and asked to either register or log in.
- The Linchpin User Profiles app will be automatically downloaded and installed in your Confluence instance.