I'm still using OS X 10.9.5 even though I've had several chances to get a free upgrade. My reason is that the first time I did this, the new system software over-rode my version of Pages (4.3) in favour of a supposed improved version that I hated. With some help at that time from official Mac support, I managed to retrieve the old version, which I'm happily still using. But now I'd like to upgrade the system. How can I retain my old Pages and do that? I don't think it's simply a question of saving it somewhere, because that's what I tried to do before, and the whole package was "improved." (If you can help, please assume idiocy on my part, since all I use my iMac for is word-processing, email, and internet shopping.) Thank you in advance.