If your app is installed on a PC, our system will attempt to tie the license key to a Universally Unique Identifier (UUID) as a way to assign it to the device that key was originally activated on. The key and UUID are saved in our system and whenever a key check is performed both are checked together.
To do this, UUID’s require you to add some code to your app that will generate the UUID locally on the users machine. There are a multitude of ways to do this and most programming languages come with built-in UUID creation functions.
Another feature UUIDs make easy is refunding users and revoking license keys.
Limiting Keys #
Since UUIDs are unique and generated on the device it cannot be used on another device.
This means an end user cannot simply install your app on multiple devices and use the same key without your permission. Once a key is activated on a device it cannot change devices unless it is allowed to do so.
You get to set how many devices each key can be installed on, from one device to an unlimited amount. These limits are set during key generation and can also be set later in your Dashboard as needed.
Implementing UUIDs #
There are several different ways to generate a UUID. See our documentation on how to generate UUIDs. Once generated, send the UUID along with the key whenever you preform a key check.