I just asked Customer Support the same question two days ago and got this answer:
<Quote begin>
Thank you for contacting CyberLink Technical Support.
I understand your concern related with Danish language support in CyberLink PowerDirector 13 Ultra software.
Regarding your concern I would like to inform you that PowerDirector 13 Ultra software currently does not suppport Danish Language.
I appreciate your comments and suggestions and will use them to help improve our products / services when making future decisions.
I have forwarded your concern to our Product and Development department for further analysis and future updates.
Thanks again for your feedback.
<Quote End>
I'm used to use PD9 and this program had Danish - I miss it wery much.
But I don't think it will work well to copy the language folder from PD9 to PD13
PDR 14.0.4207.0 / Windows 10 64-bit / Asus / Intel i7-4790 3.60 GHz / 16GB RAM / NVIDIA GeForce GTX 970 / DirectX 12