To access the available plans, look for the "Billing Plan" option at the top-right corner of your screen, next to the "My Profile" option.

Once you click on the "Billing Plan" option, you'll see your various subscription plans. Take some time to review each plan and determine which one best meets your needs.

Once you have chosen a plan, simply follow the instructions to complete the subscription process. You may be required to enter payment information, and your subscription will typically start immediately after payment has been processed.