You can move or reorder pinned discussions in the Pinned Discussions section. You can manually drag and drop the discussion, or you can use the Move To option, which is also accessible for keyboard users.
Note: Only discussions in the Pinned Discussions section can be reordered manually. Other sections are automatically ordered by recent activity date.
Drag and Drop Discussion
You can use the drag and drop option to reorder pinned discussions. Click and drag the discussion to the desired location within the section.
Drop the discussion by releasing the mouse.
You can also use the Move To option to reorder a pinned discussion. Click the Options icon  and select the Move To... link .
Place Discussion Location
In the Move Discussion sidebar, click the Place drop-down menu . Select the placement of the discussion you are moving . You can move the discussion so it is located at the top of the section, before a specific discussion, after a specific discussion, or at the bottom of the section.
Place Before or After
If you selected the Before or After option, click the second drop-down menu . Select the discussion that should be before or after the discussion you are moving, as indicated by the option selected in the previous menu .
If you want to move the discussion to another location, change the sidebar placement options again.