You can link profiles on the 'Social Profiles’ section as normal.
If you have at least one social profile slot left:
Click on one of your remaining slots to add a new social profile to your plan.
If you want to add one of your inactive handles, simply click Activate on that handle.
If you want to link a social profile currently on Trial, click Upgrade on that handle
If you want to link a social profile that is already linked to an old plan, simply click Migrate on that handle. The social profile will be then added to your new plan.
If you don’t have any slots left:
Then you can add a new social profile or activate, upgrade or migrate one of your existing handles as explained above.