2nd click on Settings in bottom left hand corner.
3rd. Click on Billing and then Change or Add Plan.
4th. Here you can choose Monthly or Annually. Click the radio button on the right for the amount of texting you will be using monthly. Make sure you update plan in lower left hand corner.
5th. You may need to click on setting -billing again on the left. Now we need to put in your credit card information.
6th Add credit card information
Put in credit card information and SAVE