Can I even upgrade the OS with what I have?

I have the old "cheese grater" tower that I forced into a Catalina update with a patcher I found after bumbling my way around. Recently though a lot of my apps are telling my os is "no longer supported" or something along those lines. But I can't tell if the hardware I have installed will even support any sort of upgrade at all. My fiance helped me find the graphics card and I did install it, but I honestly have no clue if my computer has even really used it to any capacity. I can modify hardware all day long and make a computer work, but I have no clue if what's installed will work properly. I hope that makes sense. Anyway, here's what shows up when I look at the "About this Mac" option (Bear in mind the computer itself isn't actually a Mid 2012, I believe it was a 2010. I've added 2 hard drives both internally and have two external via USB and us a SS drive to boot from and run some things off of. Also upgraded the memory to allow for all 4 slots to hold 2gb sticks each. total of 8gb, but I truthfully don't understand what this means)

  • Mac Pro (Mid 2012)
  • Processor 2.8 GHz Quad-Core Intel Xeon
  • Memory 8GB 1066 MHz DDR3
  • Startup Disk SSD
  • Graphics Radeon RX 5808 GB

When I click the "software update" button it says I'm up to date, but I know I'm not. The patcher I think is messing with that. But when I click on the patch updater it shows up like normal, but doesn't offer any sort of controls or information from when I got it, or even where. I did all this in 2020 and can't remember where I got any of it.

My sincere apologies if this wasn't the right group to ask, I searched around online for a patch updater and was lead to this subreddit where I saw people talking about the Radeon graphics cards, but it's all kind of greek to me.

submitted by /u/paleoclipper
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