Pointfinder begins to use reCaptcha v3 after v1.9. If you already using reCaptcha v2, please update your key by using this tutorial. After complete steps, you can find the Panel page on WordPress Admin Panel > PF Settings > Options Panel > reCaptcha Config
Please open this page and start configuration https://www.google.com/recaptcha/admin.
Firstly, click to plus icon and start to configure your application.