1. Click on the "Profile Picture"
  2. Now go to "My Account"
  3. In "Plan & Billing" you can find all the plans.
  4. Click "Current Plan"(if you want to continue the existing plan)
  5. Click "Upgrade" for upgrade your pack.
  6. Choose the "Extend Plan"(monthly/6 month/yearly) and click "Proceed to Pay"
  7. "Payment pop up page" will appear now. Choose your payment mode and go ahead.
  8. After making the payment plan upgraded successfully.