To add booster packs to your subscription, follow these steps:
Navigate to your Billing tab and scroll down to find the desired pack. To get to the Billing tab please click on this link: https://app.pipedrive.com/settings/subscription
Click “Get add-on“.
Continue to the add-on overview page with the selected add-ons.
Select the pack tier (standard or premium) and add more packs if needed.
Click on “Review purchase“
Confirm the purchase if everything is correct.