Mac Imaging and OS Versions

New Contributor II

I have tried several methods in order to download several full versions of MacOS and not having any luck. I am somewhat new to JAMF and Macs so maybe I am going about it all the wrong way.

I am trying to setup an NetSUS server for Imaging and as a Netboot server. I am under the impression that I will need a few different MacOS versions loaded on the NetSUS server since I have Macs that go all the way back to 10.12.6. Is there another way to accomplish updaing all of my iMacs with the latest MacOS and all the updates?? Any help or direction would be greatly appreciated.