FYI The process for changing the order of viewing threads has a flaw.
Can I change the order of threads?
You have a choice over how you view threads. When you're in a thread, look at the top bar. On the right hand side you'll see 'Display Mode'. Click on this and it lets you change how posts are ordered.
Thread Tools-----Search this Thread-----Display Modes
These 3 areas do not function or allow you to make changes as indicated. You can make the thread change thru the User Control Panel but the information provided has functions that are currently not working.