Question: Reformat iMac to 10.9.5
I was on High Sierra but due to a compatibility issue with some older software that i need for a project, I would like to reformat with 10.9.5. I'm on a iMac mid 2011 with 128Gb SSD, and 16GB so its from that era.
I have 10.9.3 on a USB stick that I set up with diskmaker. (I have the 10.9.5 combo update stored elsewhere to add afterwards)
I rebooted with the USB showing to boot into.
OS X Utilities boots, and I used Disk Utility to erase my disk (all backed up).
I checked the disk and its verified and repair disk and everything fine.
I go back to OS X Utilities to 'Install OS X' but the CONTINUE button does nothing?
How do i proceed to install 10.9 or indeed any OS X now, as I'm pulling my hair out!!