Go to segments and click the green button of your desired segment under Delivered
select your desired prospects on the left, and then click on add to campaign on the right.
Select a campaign and a user and click on add to campaign
Go to your campaign and click on one of the campaign’s steps and edit. Then activate the slider that says This action is Active
Remember also to customize the time and weekly sending days, and the delay between emails according to your needs.
Perform this for all the actions in your campaign and do not forget to click save changes.
Go to campaigns and click on the play button of your campaign under status
Please note that, every template of your campaign should be activated, because inactivated templates will prevent the messages from being sent out.
You have activated your first campaign and can go over to the next step, which is 'how to set up A/B testing.'