1. From the Administration view, select Settings > Organization Settings. If needed, select the hierarchy from the dropdown. Then select the Networks tab (default).

2. Scroll down to the Social Profiles section and toggle Social Profiles to "On" (this is the default setting. You can toggle this to "Off" to disable profile fields.

3. Select the social network page or profile from the left tabs. Then select Enabled or Disabled. Continue by selecting a different social network tab and enabling/disabling fields as needed.

Note: If you've selected a region from the Hierarchy dropdown, the blue label "Overriding Default" means that the default setting for All Hierarchies is set to enable all of the available account types and you've selected to override the default for a specific hierarchy/region.