# License

After installing the TrueConf MCU video conferencing server, you will need to activate it with the registration key.

You can get a three-week trial, so you can try all the features and benefits of TrueConf MCU before purchasing it. Just contact us in any convenient way.

Please note that even the free version of TrueConf MCU has no limits on the duration of a conference and enables users to participate in conferences for as long as they want.

The differences between the paid and free versions of TrueConf MCU are described in the table:

License type Free Premium
Maximum number of concurrent conference participants 100 Up to 250
Maximum number of concurrent conferences 4 Unlimited
TrueConf MCU Free” watermark in the upper right corner of the screen during video conferences Yes No
Connection to the registration server (via 443 TCP port) Required Not required

# License information

To view information about the current license or the license agreement, and to re-register the server, go to the Administration → License menu:

/docs/mcu/media/license/en.png