Hi @Mikiciuk, Marek ,
Welcome to Microsoft Q&A!
As the document written: You must have a valid IoT Core Services subscription to distribute a device that employs the CE App Container technology. Windows 10 IoT Core Services is available through Azure, Cloud Solutions Provider, and OEM channels.
To obtain the latest packages for Windows 10 IoT Core, please contact your Microsoft distributor.
Best regards,
Seeya
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