K I'll give that a try, Thank you!!

I've been playing SC:FA since it came out, but I'm brand new to the FAF site/community, so still learning how to navigate the site.

Ok, so another stupid question haha! Where can I find/download the version of the game I need that includes HQ Factories? or is it just a Mod? Anyone have a link?

For some reason I'm unable to build/upgrade any of my unit factories the an HQ Factory. I'm currently playing the Steam version of SC:FA 1.6.6., But there is no option on the lower left of the Factory build menu to upgrade it to an HQ. Am I missing something? Is there a specific process you need to go through for that HQ upgrade option to pop up? Is it part of a mod or a newer version/patch of the game?? If anyone can help please comment back, thanks!