You would receive the option to start a new thread once you have participated in the community and contributed a minimum of 5 posts in existing threads.
After you have made 5 posts, to start a new discussion, please go to the most appropriate forum. You can start navigating from the forum main page.
Once you are in the correct forum, please click on the "Post New Thread" button on the top left to start a new discussion. Please note that you will be able to see the “New Thread” button only after you enter one of the sub-sections. In other words, you wouldn’t be able to see the “New Thread” button on the forum main page or on the individual threads.
P.S - You must be logged in to start a new discussion.