1. Login to your Bridge.
2. Browse to the brand which has the collection that you'd like to add the new or best seller designation to.
3. Click the collection.
4. Once you're on the collection's page, with all the items showing vertically down the page, near the top of the page it says:
[Collection's name] collection:
Edit / Archive / Delete
Collection pic 1 / Collection pic 2
Care & Usage field
Then there are two boxes that say "Best Seller" and "New."
5. Check one or both of these boxes. Click on the blue "Save above collection changes" to save your changes.