Need help installing an OS onto iMac
As title says, I need help installing on OS onto my iMac. I received this iMac with no hard drive inside as it was removed from the previous owner. I have recently purchased an SSD with a 2.5 to 3.5 adapter and a thermal sensor which now have been installed.
I have verified the display and everything works as normal. When booted up, it shows the flashing folder with a question mark, which means no OS. The problem is, my iMac is a late 2009 model which after looking up online means it isn't possible to boot up into internet recovery mode right?
With that being said, should I attempt to make a bootable OS from USB? or should I just buy a CD with Mac OS on it, if that's possible?