[تم الحل] There is an error when installing String Translation, Figure 1 shows that there is no registration, ...

Background of the issue:
I am trving to install String Translation for WpML on my website https:/zealux,com, I have already purchased the upgrade to the
licensed version.

Symptoms:
There is an error when instaling String Translation, and Figure 1 shows that it is not registered. After translating the website into
Danish, the menu has been synchronized but still displays English text.

Questions:
1.Installing String Translation shows an error, and image 1 indicates it is not registered. What should I do?
2.After translating the website into Danish, the menu has been synchronized, but it still displays English text. الرابط المخفي
I will send you the images of the steps I followed. Please check if there are any issues. I have already purchased the upgrade. After upgrading to the licensed version, what should I do to translate the entire English website into Danish? Thank you very much.