If you follow a forum topic, you will receive a notification each time a new post is made on that topic, so you can be sure to keep up with the discussion!

When you comment on a forum topic, you are automatically following it!

If you want to follow a forum topic without commenting you can do so by scrolling to the very bottom of the thread, and checking the 'follow' box beneath the new post window:

You can also un-follow any forum topic by un-checking this same box.

You can find all the forum topics you are following by clicking on 'following' in the upper right menu when you are in the forums:

OR by clicking here: https://www.chess.com/forum/my_tracked_topics

Simply open the topic on the list that you want to un-follow, scroll to the bottom, and un-check the 'follow' box!