So I'm just still trying to attempt this even though I found a person on eBay who supposedly has copies of Sierra that is on a bootable USB so if it actually comes down to it I'll just get that and see what it does.Open virtual box and click New to create a new virtual machine.Step#1 Right click on the image file you just download using WinRar to extract the Image File on any folder you want. I have one ISO that I got for Big Sur and that's the only time it actually recognizes it if you hit the alt button at the start to select which drive but upon doing so it doesn't even read it it just gives you 🚫. I've done this at least several different times and it never comes up on this iMac as bootable. So since yesterday afternoon I've been attempting to make a bootable USB which I followed the exact instructions off a YouTuber who basically made it cut and dry! Go into CMD and format it correctly to GPM and make that as partition primary, then use transmac to restore the disk image. So of course second attempt that I had read on is to just access another iMac or even an iPad to download what you need and do it in that order which I don't have access to that stuff unless I somehow just go up the Best buy and download all that stuff right on the spot. This thing will not even attempt to load iCloud it will do everything else for the most part as I've surfed the web on it quite a bit but it will not take you to that page, it will just sit and load forever. Now originally when I was trying to attempt this the most obvious way of getting this to work is to go online and log into your iCloud account and then initialize the install. On the iMac or on my PC? Because the problem about the iMac is that it's only allowing me to go into OS X utilities, which the only four options it gives me is restore from The Time machine backup, reinstall osx, get help online, and disk utility. And I have been using this with Transmac so I'm not certain why exactly it's not working in the way that it's supposed to. Even if I try to boot into it through the start up process it doesn't even show the USB. I've been having to do this on my Windows computer and for the most part up until now I can create a bootable USB but it doesn't actually find the image? If I go into reinstall OS X it states that it's there but then that's where it gets complicated on my part stating that it's not set up proper for GUID or other times it tells me it's not journaled.

I was able to get a iMac 20' (either 08-09 model) and I'm basically just trying to get the operating system installed on it which it says it has El Capitan but it won't proceed any further since I can't gain access to the app store to get what I need.

So I'm kind of doing the same thing myself and just hear me out when I say that I'm not that knowledgeable when it comes to anything Apple related.

Downloading mac os el capitan iso