[Patryk]

As the title, in previous versions show up info installation option forum

how do I install a new version of the forum?

[@mercime]

@patrykos360 BuddyPress Codex/Docs is your friend https://codex.buddypress.org/user/setting-up-a-new-installation/installing-group-and-sitewide-forums/

[Patryk]

@mercime
I know that in the menu should be a forum but I do not have this ;/ in the settings BuddyPress also there is no.

because I thought with the new version, we a different way to install a forum

[bp-help]

@patrykos360
Screenshot would help us see your issue. As @mercime suggested, you really need to read the codex in the link he supplied. It is straightforward and well documented there.