How can I upgrade my account by adding more support reps?

How can I upgrade my account by adding more support reps?

To add Support Agents, please go to Subscriptions on the top right hand corner after logging into Zoho Support. 

Click Manage under your current edition and edit the Total Number of Agents field in the following page. 

For Example, when you have 12 Support Agents and want to add 3 more, edit the Total Number of Agents field to show 15. 

Click Proceed to display the payment page where you need to provide your credit card details. 

Click Make Payment to complete your transaction of upgrading your Support Agents.