I am attempting to install my purchased office home and business 2019 Microsoft to my computer. The software currently has 10.12.6 and it says I need
I have purchased Office Home and Business 2019 for my Mac. It currently has the OS software of 10.12.6 which says it is updated. The Microsoft program purchased says it needs software 10.13.6or higher and will not let me install it. Where do I find the software upgrade to push onto my computer?
MacBook Air 13″, macOS 10.12