Access the bbPress Theme Options via Appearance > Theme Options > bbPress.
Install bbPress Plugin
The following options will only display once the bbPress plugin has been installed. To install the bbPress Shop plugin, goto WordPress Admin > Plugins > Add New > Search for bbPress > Click Install Now.
For help with configuring bbPress, see the documentation here.
bbPress Page Layout
This option sets the Page Layout for all bbPress pages.
bbPress Column 1 Sidebar
If you have chosen a bbPress Page Layout to contain a sidebar, you can choose which side to use on Column 1 here. See Appearance > Theme Options > Layout > Widget Areas to create more than the default 2 sidebar widget areas.
bbPress Column 2 Sidebar
If you have chosen a bbPress Page Layout to contain a sidebar, you can choose which side to use on Column 2 here. See Appearance > Theme Options > Layout > Widget Areas to create more than the default 2 sidebar widget areas.