You can set up the Forum portlet to make it work in your desired way.
The first way:
Click → → .
The Page Manager page will be displayed.
Click that corresponds to the Forum page in the pages list.
The second way:
Open the Forums application, then click → → .
The Page Editor page appears:
Hover your cursor over the Forum portlet, then click in the quick toolbar to open the Edit Mode tab.
This form allows you to configure the Forum portlet in various aspects via the following actions:
In the Scoping tab, you can show/hide categories and forums in the Forum portlet by selecting or deselecting their respective checkboxes.
In the Panels tab, you can enable/disable some components in the Forum portlet by simply selecting/deselecting checkboxes of the components respectively.
The following components can be enabled/disabled:
This feature defines how the links are generated in the Forum portlet. You can select to use Ajax or not.
By not using Ajax, Forums will generate plain URLs in the links. The added benefit will be bookmarkability and better SEO as the links will be permalinks.