How to upgrade subscription plan

Good day

We are trying to upgrade our subscription plan from a yearly Bronze plan (that expires in on 24/08/2016) to Silver to a silver per month plan. The problem is that when I select the silver plan, tick the per month plan option and agree to the auto renewal box the upgrade button doesn't do anything. 

We urgently need to upgrade to the Silver plan as we have reached our submission limit.

Regards

Sikho

 We are sorry for inconvenience this may caused you. I've checked your subscription status. It seems you have upgraded your account successfully.The issue might be temporary. You can also check your invoice as you see below;

If you have any question or issues, please do not hesitate contacting us. We will be glad to assist you.