How to install the groupfolder app?

I can’t install the groupfolder app from my NextCloud Site by app store. When I Clicked “Down and Install”,it shows " cURL error 28: Operation timed out after 30001 milliseconds with 0 out of 0 bytes received (see“. So I downloaded the groupfolders-5.0.4.tar.gz file from , but I donot know how to install the app.

@awantyig Hi and welcome to this forum.

Please refer to:

You should find an applicable solution in my old comment, if I recall correctly.

Please do not hesitate to ask again if anything remains unclear.

Hope this helps.