To provide positive feedback for a post or one of its responses, you can vote for it. Open the post or response, and click the plus sign (+) icon next to the number of Votes.
To remove your vote from a post, click the plus sign icon again.
You can only vote for posts added by other discussion participants. You cannot vote for your own posts.
In the discussion navigation pane, you can sort the list of posts so that the posts with the most votes appear at the top. To do this, click All Topics or All Discussions. Click the arrow next to the sorting drop-down option that appears, and select by most votes.