NextCloud Office icon didn't appear

I just installed NextCloud. I added NextCloud Office.
How do I open it? I don’t see any office or house icon…

How can I fix this?

Nextcloud Hub 3 (25.0.4)

Installed in a shared hosting environment

In order to get a Nextcloud Office working you need to install two apps:

Once you installed both apps, existing documents should open directly in the browser when you click on them. To create a new document, you need to click on the “+” button in the “Files” view:

Bildschirmfoto vom 2023-03-21 17-33-40