Login at https://www.webzpro.com/wbill/clientarea.php
Click -My Services-
Click -the Active button next to the hosting package you wish to upgrade.
Click -Upgrade/Downgrade in the left column
Follow the steps listed on the page and your account will instantly be upgraded or downgraded.
*You cannot upgrade or downgrade your package if you have an unpaid invoice.
*Upgrades from shared hosting to reseller hosting or from reseller to shared are not automatic. You must contact billing in order to do so.