To manage your subscription plan, go to your Company/Account settings. Make sure that your account role allows that. Choose Subscription on the panel on the left.
Here is the most important information on the BuzzGuru subscription plans given in short. The table allows you to easily compare the plans and choose the one you really need. When you are ready, click the Choose a plan button on the plan you want.
Next, you see the page with the billing information.
Here you can also choose additional sections that are not included in your plan by default.
Fill in all the fields, make sure your information is correct.
Please note that you get a 20% discount if choosing Annually as your Billing period.