Step 1: Open this page https://developers.facebook.com/ then click “Log In” > Log in with your Facebook account.
Step 2:
(1) From “My Apps” drop-down menu, select “Add new app”
(2) Enter the Display name for the application. Click “Create App ID”.
(3) Complete the Security Check then click “Submit”.
(4) Select “Integrate Facebook Login” scenario > Click “Confirm”
Step 3:
(1) From Dashboard, choose your app and go to “Products” > “Facebook Login” > “Settings”.
(2) At “Valid OAuth Redirect URIs”, enter the Redirect URI you get from Social Login Pro app back end then click “Save changes”
Step 4:
(1) Navigate to “Settings” > “Basic settings”
(2) Enter your Privacy Policy URL and Terms of Service URL
(3) Select which purpose your app uses Facebook data or tools to
(4) Enter “Data protection officer contact information” > Click “Save change”
Step 5:
Turn on the button next to “Status: In Development” area > Click “Confirm”
Now you are done, just copy the App ID and App Secret, then paste in Social Login Pro back-end setting.