Step1: Download installer file has been a window that will pop up on your Mac seeking permission to start the installation. How to Install macOS Mojave? Once the installer has downloaded the update ( by the steps given above), you are now ready to install the macOS software on your Mac. Download macOS Mojave 10.14.6 through Direct Download Link. The macOS update can be performed just in four steps. Once completed, the Mojave installer will open, and you can follow the onscreen instructions to install macOS Mojave on your Mac. When you purchase macOS Mojave from the Mac App Store, the installer will be downloaded to your Mac and placed in the Applications folder.