Upgrading from High Sierra to Mojave 10.14.5
My son has a. MacBook Air with High Sierra. He wants to upgrade to get a newer version of Mail for his U Chicago email (High Sierra version is too old). He wants to continue to use some 32 bit applications. I understand that Mojave is the last OS that will still let you run 32 bit apps. I found a way to download Mojave. There are 2 different downloads: 10.14.5 Combo Update and 10.14.5 Update. Which one should he download and install? Not sure what "Combo" means.
Thanks for the help
MacBook Air