Click on Create new app
Enter Display Name and Namespace then select a Category
Click on Create App ID
Visit Settings page.
Provide your website name like example.com in App Domains field.
Click on Add Platform
Provide the website name with http://example.com
If you are using https then enter https://example.com instead
Copy your App ID and App Secret
Login to your FTP account.
Paste your App Id and App Secret
Save and upload the .env file.
Make sure that you have provided your email and your app is in public mode.
You are done