How do I Connect My Candy Crush Saga to Facebook?
If you already have Candy Crush Saga on your mobile devices (Android or iOS) follow these steps to connect to FB.

1. Firstly, uninstall the Candy Crush Saga App on your device

2. Do a reinstallation of the App

3. Open up your Facebook account on your PC

4. Open up the Candy Crush Saga App

5. Lastly, Click “Play on Phone”

That is how you connect your CCS to your FB. About Candy Crush Saga on Facebook
– The game is free

– You pay only for some optional in-game items

https://www.belmadeng.com/2019/04/play-candy-crush-saga-on-facebook-play-other-gamers-link-candy-crush-saga-facebook.html