Where can I find my credentials (IP/port/username/password)

Once the proxies are assigned, the list of proxies are sent to your by email. You can also follow the below steps to get the list of proxies and port from the Dashboard:

• Once logged in, click on "Products" and then click on "Download"
  

Proxies work with IP authentication or username authentication, this can be updated from the "Account" tab in the Dashboard

Click the below button for steps to authorize IPs in the Dashboard 

How to Authorize IPs