1. Go to the thread that you want to subscribe to 2. Click "Thread Tools" 3. Click "Subscribe to this Thread" 4. Under "Notification Type:", select your preferred method of notification 5. Click "Add Subscription" 6. You are done! If you like to automatically get subscribed to thread that you start AND threads that you respond to, you can do so by going to User CP and under Messaging and Notification select the "Instant email notification" option under the "Default Thread Subscription Mode" drop down menu.