You can upgrade or resubscribe at any point by following these steps:
- Click Upgrade in the top right corner of your Dashboard
- Select View all plans & details and toggle the Monthly or Yearly option at the top
- Select the button under the tier you'd like to upgrade to
- Enter a payment method if there isn't one already
- Click Subscribe
If you aren't able to log in for any reason, you can reset your password by following the steps outlined here: Resetting your password