Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email firstname.lastname@example.org.
You can click and drag the categories to any place you want them in the tree. Same with sub categories, move them to any place via click and drag. Refresh your page and they will be in the new order Click on the catgory, keep the button held down, and move it up and down the tree to the new location and let go of the button.