Yes, you can.
1 - Log in and go to your avatar in the top right hand corner.
2 - Click on Manage Subscription
3 - In the next window, click on manage subscription and check the yearly option - a new box will open up and tell you when your membership will convert to an annual - that is when you will be charged the annual rate.
For any additional questions, please reach out here to our Billing Support Team powered by Vimeo.