Access to ADD function in moodle content bank

Hello

To prepared some courses on my PC in order to place it on a server after, I installed moodle on my PC with the « moodle for window » version delivered on the moodle site (it is using version 3.9.)

I resolved the classical problem of 80 port used by window services and installed also the last version of the plugin of H5P.

So I can use moodle, import and create article. it is well running. But...

1/

From there I can create new articles with option H5P interactive but when it is done it seems that the modification is not possible. I do not understand why because thi H5P element should be stored somewhere. Where is this stored ? Or is the H5P format lost ?

2/

As I read that it is better to create the H5P article directly in the content bank I tried to do so.

The problem is that the command button « ADD » does not propose me any kind of H5P. Does someone know how I can solve this ?

Thanks for your help.

etincelle