Click on your name on the top right of your page and go to Accounts & Billing.

Click on Change Plan in the Plan & Billing tab.

From there, all you need to do is choose whether you want a monthly subscription or an annual one, then click Select Plan.

Click on your name on the top right of your page and go to Accounts & Billing.
Click on Change Plan in the Plan & Billing tab.
From there, all you need to do is choose whether you want a monthly subscription or an annual one, then click Select Plan.