GoAffPro provides you with the option to set the cookie duration. The cookie duration is the time up to which a customer (referred by an affiliate) will be tracked.
To set the cookie duration, go to the General section in the Settings tab of the GoAffPro admin panel.
Here, go to the Cookie Duration section.
Now, set the expiration duration of the affiliate tracking cookie.
After this, click on Save.
The customer (referred by an affiliate) will now be tracked for the duration set in the cookie duration section.