Licenses license when starting photon without a license, it will run with a 20 CCU limitation. you can also get a free license for 100 CCU in our download section. find more information regarding licenses below. when photon is started without a license, it runs 20ccu. You can also get a free license with 100ccu and more information about the license below. Free license free license photon can be used free of charge for up to 100 concurrent connections (players that are connected at the same time ). you can use the free license even in your cial games and you can have any number of monthly active users. get your free license here: Http://www.exitgames.com/download/photon . Photon can use a free license with 100 CCU. You can use a free license on a commercial game, and you can have any number of monthly active users. License Options license operation once your project is growing past the 100 CCU limit of the Free license, you can Buy photon licenses in our online shop . Smaller indie developers get a discount. Existing licenses can be upgraded for the cost difference to the new one. Please contact us for that! When the number of ccus you need exceeds 100. You can purchase a photon license. A small development team can obtain a discount. Existing license. The license can be upgraded to a new one. Please contact us. Using the license Photon uses. license files, which are provided by exit games. new license files are simply copied into the folder where the photon executables are. other. license files shocould be removed. photoncontrol and the photon server will read the files on start, so a new license currently requires a restart. copy the photon license file to the folder where the photon execution file is located. In addition, when the license file is removed, the photon controller and the photon server will read the new license file and restart the service. Floating licenses dynamic licenses Photon's "floating licenses" are not bound to hardware or IP. they will run on any machine but need to contact our floating license monitor. on start, this HTTPS call must succeed. the following hourly contact has to succeed once every 24 hours. if the monitor is not available for that long, photon will shut down. photon's "floating licenses" does not bind hardware or IP addresses. They can run on any machine, but need to connect to our dynamic license monitor. At startup. The HTTPS call must be successful. Then, the connection is successfully established every 24 hours. If the monitor is unavailable for a long time, photon stops running. The license monitor a photon does not start without contacting the license monitor, so we made sure that our license monitor is highly available. to achieve this, we use the Google App Engine service, which is available 24/7. a photon license monitor that is not connected to cannot be started, so we need to ensure that our license monitor is highly available. In fact, we use Google's App Engine service with a reliability of 24/7.