Roundcube installation

[webshop2]

Hello,

I have copied the installation files to the server.
I started the installation by entering the url followed by / install, as described in the installation instructions.
When I run this installation page, a 403 error appears telling me that I do not have permission to launch the page.

Forbidden
You don't have permission to access /installer on this server.

I do not understand.

Thank you for your help

[SKaero]

Check what user own the folder and make sure the webserver can access the folder.