After its first run under a user account, Proxifier will work for 31 days in free trial mode for that user. The only limitation of the trial is that it displays the following information window on start-up.
When the trial period expires, the user must buy a license and register Proxifier with the registration key. To do this, click the button in the start-up window or use the command in the Proxifier menu.
You can register the key for the or for . The registration key can also be deployed through the system registry.