Forums may be rearranged to change the order in which discussions are listed.
Go to Forums.
Select the Forums tool from the Tool Menu of your site.
Select the Organize button.
Select the appropriate number next to the Forum or Topic.
The numeric pull down menu allows for reordering the Forum, Topic, or both. Select the appropriate number for the order in which the items should appear.
After reorganizing forums and topics in the desired order, select the Save button.