Advertisements I'm currently running "HBO" (not HBO GO or HBO MAX) on my Fire TV 4K and it is still working fine and no side-loading required. I thought I might have to side load HBO MAX to keep things working starting August 1, but not the case. I don't really care about the extra content available via HBO MAX versus what I have now, at least for now. For HBO I mostly just subscribe for a couple of months a year to catch up. Didn't see much of interest extra I would get access to with MAX.