[mortiferus]

General Settings >Pretty permalink type>

Look at “If you activate “Numeric” or “Name based” permalinks, you will need to create a file at /PATH/TO/BBPRESS/.htaccess containing the url rewriting rules provided here”. The provided here is a clickable link that will get you the needed code that you will then paste into a .htaccess file that you create at the root of your bbpress directory.

Edit: Noticed that you got it.