Computers don't really work that way, it's not a thing, it's a system. There are servers, and processors, and operating systems, and software, and other stuff, and one thing gets upgraded, and eventually everything else has to get upgraded or it won't work with the rest of the system. Message board software won't just run forever. And if you just say "it ain't broke so don't fix it" until it is broke and THEN try to fix it.... guess what, it's not going to be down for just a few hours.
You'll get used to it!!
You'll get used to it!!