1. You should now see a Client ID and Client Secret near the top right of the page (see screenshot). Keep this page open as you continue configuration. ![GitHub app](github_app.png)
1. Change 'YOUR APP ID' to the Application ID from the GitLab application page.
1. Change 'YOUR APP SECRET' to the secret from the GitLab application page.
1. Save the configuration file.
1. Restart GitLab for the changes to take effect.
On the sign in page there should now be a GitLab icon below the regular sign in form. Click the icon to begin the authentication process. GitLab will ask the user to sign in and authorize the GitLab application. If everything goes well the user will be returned to your GitLab instance and will be signed in.