If your account is linked to Facebook, you'll be able to invite your friends going to Menu > Friends and searching for them in the search bar. Next to their name, you will see the option "Invite".
For more information on linking your account to the social network, we suggest you visit the article: How can I link/unlink a Facebook profile to my account?
You can also do it by going to Menu > Facebook > Invite friends.
Remember that you can also invite friends via link through different social applications. To do this, follow the following steps:
- Press the "Send link" button that you will see in the lower left corner of your screen, along with your current games.
- Once you do, different social applications will be displayed through which you can invite your friend to the game.
- Once your friend receives and accepts the invitation, they will appear as a friend available to play every time you want to start a new game.