3. On the next screen, fill all the fields, like App name(can be anything) and any other mandatory fields like your website URL and logo image.
4. Click on Create App button at the end of the form, your app will be created and you will see a screen like this:

5. Click on Auth tab

On the next screen at the bottom, you will see the option for redirect URL

6. Click on the edit icon for Redirect URL and in redirect URL field enter this
http://www.yourwebsite.com/wp-admin/tools.php?page=et_monarch_options

Make sure to replace yourwebsite.com with your actual website address in the above URL.

Save the changes and your app is ready to use

7. On the same Auth tab , at the very top, you can see the client id and client secret values

8. You can fill those 2 values in the Monarch settings for LinkedIn and click on Authorize button and your site will be connected to your LinkedIn account now, to show the follower count.

Hope this helps in integrating Monarch to your LinkedIn account.