To switch between multiple campaigns, click on the campaign that you are interested in in the campaigns column. To switch back to the previous campaign, click on its information in the campaigns column.
From the main window, you can click the plus icon to create a new campaign. This action will direct you through the steps outlined above.
To edit the settings of an existing campaign, select the campaign's box in the campaign column on the main window. After it, click the edtion button at the top-right corner:
At any time, you can delete a campaign that you created by selecting its information in the campaigns column. After selecting the campaign, click the 'X' button on the header above the column.