How to get a App ID and Secret for Version

https://joobi.org/download/catalog/secure_your_facebook_app_id-item-316.html

After Version >= 2.0 you just need the App ID and not Secret.

How to get your not expiring Facebook system user token

https://developers.facebook.com/docs/audience-network/reporting-api/systemuser

After Version >= 2.0 do the following steps:

• Step 1: Create System User on Business Manager
• Add the page to the user with the only right to "View Page performance". Minimal rights you can set.
• Step 4: Generate System User Access Token
• Add this token to the block settings

How to get your Page ID

After Version >= 2.0 it's also working with url parsing 'lemonbraingmbh' from 'https://www.facebook.com/lemonbraingmbh/'

Before Version 2.0 use this:

If your Facebook URL hasn't a number at the end, use this tool. Else where use the number at the end of your URL