You can upgrade your web hosting account via your Pickaweb billing area.
You can access it here.
Please use the forgotten/password reset option if you don’t have it so it will be sent to your email.
When you are logged in, click Web Hosting Plans Now click your domain name. There you will see upgrade/downgrade select the plan that you wish to upgrade to, taking care to choose the appropriate option for monthly or annual payments. The Upgrade price will be calculated from the credit of the unused portion of the current plan and the cost for the new plan for the same period.
If you require any assistance please do not hesitate to contact us.