MacOS Catalina, macOS Mojave, or macOS High Sierra Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. Download and installįind the appropriate download link in the upgrade instructions for each macOS version: The trick was to do a complete search on Google and I was able to find articles on the Apple website that had direct links to the DMG files.

I couldn’t find the images/dmg anywhere in the AppStore (I only found updates and not the full installations). Downloading the images/dmg was not an easy task, at least in my experience.

The installation kept timing out due to the connectivity issues, so I eventually decided to down the installation image and create a bootable UBS drive to use for the installation. There is nothing reliable and fast about their service/s.

I have been struggling with using the internet install for a few days due to my current unreliable ISP (internet service provider), rain - SA’s mobile data-only network | Fast, affordable internet.

Install os x el capitan from usb