1. Locate your list of Active Campaigns from your Manager Dashboard. In the top right corner you should see a green "Add Campaign" button.
2. Name your campaign (Location and description are optional).
3. To bring over all settings from a previous campaign, make sure to select "Copy Configuration..." and choose an appropriate campaign. You can always edit your campaign after creating.
Note: This is HIGHLY advised. If you do not do this, you will have to completely configure your campaign from the ground up every time.