Strange story. Does it really show up in your hosting environment without you doing anything?
Or did you find a link to the download?
Dozens of topics about this and other “Henkka / nordic Weather” scripts.
A recent EWN/WXSIM/php8 version can be downloaded from this topic on this forum
Also this is an user-example of the EWN script
There is a very strong search function on this forum at the top-right of any page.