Zoho Projects allows you to upgrade to a paid plan in few easy steps. The portal owner is the only person who can upgrade a portal to a paid plan.
Step 1 : Click Upgrade/Billing tab in Home. Here you can find Upgrade button for all paid plan. Now click this Upgrade button to upgrade from a free to a paid plan.
Step 2 : This opens a credit card details page along with the details of the chosen plan. If you need the Add-Ons like Wiki, Chat or Bug Tracker. Select the checkbox next to the add-ons. This will automatically process your payment details along with the add-ons (if chosen). Specify the required credit card details and Click Make Payment button.
Step 3 : This upgrades your plan to a paid plan and the required amount is automatically transacted from your credit card. In addition, you will receive a purchase mail along with the plan details for your records.