Creating tabs to separate documents

[Marten5C19]

I want every new document  automaticaly to be opened separated by a tab-button, like in example in attachment. I want to get rid of foxit, but I can't figure out how to create this same way of openening documents in Acrobat.

[try67]

See: https://community.adobe.com/t5/acrobat/how-to-enable-disable-open-multiple-pdf-in-one-window/td-p/76...