This is very easily done, and can be done as many times as you need.

1. Login into your account and go to your proxies.


2. Choose the proxy product you would like to change the Auth IPs for and select View Details.


3. Scoll down and selct Edit Auth IP List
 

4. In the box that opens insert your Auth IP(s) up to 8 one per line, and click Save. If you do not know your Auth IP, you can find it by
visiting: http://actproxy.com/getip.php on the computer you'll be using the proxies on.


After you see the Saved checkbox you can close the popup box, and you have successfully changed your Auth IP(s).


Note: If your IPs don't save the first time simply refresh your browser and try again.