;
, If you don't see the main System Preferences menu, click the Show All button, which has 12 dots in a grid pattern for an icon.
 This is in the third group of options.
,, You'll be shown the content that will be synced with your Mac computer.
 This will add the Facebook account.
 When this is enabled, Facebook contacts will appear in your Contacts app.
 When this is enabled, Facebook contacts will appear in your Contacts app. Unchecking this box will prevent those contacts from syncing.
Click the Apple menu.
Click System Preferences.
Click the Internet Accounts option.
Click the Facebook banner.

,
Type your Facebook login email and password.
Review the information that will be synced.
Click Sign In to confirm.
Click the Contacts box to toggle contact syncing.
Click the Calendar box to toggle Facebook events.
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