If you have a monthly or annual subscription and want to change to the other one, you can do so on the purchases settings page:
Navigate to the purchases settings page.
Head to your subscription section and locate the title.
Click the Switch to Annual Billing link underneath your subscription.
You'll see an alert to confirm. Click Okay Let's Do It to confirm.
You will be charged the new rate on the next monthly billing cycle for your account.
Search the Help Center to find answers, or if you're still having trouble, please send an email to [email protected].