How to install 2022.3.10f1 editor on Mac

Hi
I have been developing with 2022.3.10f1 and now want to build for ios
However this isn’t on the list of editors via the hub and when i download from the archive the installation fails. I found two links; the first said the file was corrupted the second said the file wasn’t recognised by Apple so i wasn’t allowed to install it

The two files i found in the archive were
Unity-2022.3.10f1.pkg
C2204prepub.zip

I don’t want to upgrade the editor at this stage as am about to publish and don’t want to rock the boat

How can i get the desired editor installed on my mac?

thanks

sorry - found answer here!

However the link on the article is out of date
go here