Lulzbot mini connection problems

I am using your troubleshooting program and it says to download cura 3.6.37 but I cannot fins it anywhere. Where can I gen it so I can put it on my computer. my computer is an i mac running the latest version oc Catalina. Please hel just about ready to buy somebody else’s 3d printer

thanks
GFCholas

You can find earlier versions of Cura here:
https://software.lulzbot.com/