www.makemkv.com

Hallo, der neue Schlüssel, welcher zuletzt herausgegeben wurde, nachdem längere Zeit nichts vom Entwickler zu hören war, ist mit dem heutigen Tag nicht mehr aktuell. Das ging diesmal schnell, so hielten die Schlüssel davor mehrere Monate.

Bitte einen neuen Schlüssel herausgeben, lieber Entwickler. Danke!

Google Translate wrote:Hello, the new key, which was recently issued after a long period of silence from the developer, is no longer valid as of today. This time, it was quick; the previous keys lasted for several months.

Please issue a new key, dear developer. Thank you!

The key is posted in a special message, valid for the time that is specified.

That link is, appropriately enough, titled MakeMKV is free while in beta. It currently runs until the end of November, if you have no desire to register and get a permanent key.