1. Go to the Tools menu and click on Restore Unify Enterprise Database / Click on 'Restore from backup' as soon as Unify Enterprise starts.
2. Since you are restoring a Database, Unify Enterprise will ask you if you want to overwrite the existing Database with he new backup data. Click Yes.
3. Unify Enterprise will then ask you the location of the Database backup folder. Find this folder and double click on the database file. Unify Enterprise will then begin to restore the database.