I actually have 8 GB ram. When I went checking to make sure I saw my Flash Drive and got a scare. I usually only use a tiny bit but now it says something different. See?
Flash Storage Or is that just because I divided it up for future OS's? I haven't reconfigured it yet because I don't want to think again about how to do it.
If I remember correctly, you've got only 4 GB RAM, in which case I suggest that you go no further than Mojave, because its minimum RAM is 2 GB, but it's gone up to a 4 GB minimum for Catalina, which might make it a bit tight on your MBP.
