To revive a Delaware LLC, you just have to file a certificate of revival of Delaware limited liability company form.
The form costs $169 and is in your online account at all times. You mail it into the Delaware Division of Corporations at 401 Federal Street, STE 4 Dover, DE 19901. You can fax this in as well.
You must make sure all your Delaware annual LLC taxes have been paid (the $300 a year annual tax). The state will not process your revival if you owe DE LLC tax.
The following terms are used by the Delaware Division of Corporations: