Apple released the first developer beta for mac OS Mojave (mac OS 10.14) when the keynote came to a close and you can try it out right away.
You’ll need to format the USB drive via Disk Utility using the ‘Erase’ option, where you have to keep its name and format unchanged. You’ll then need the same OTA image of the mac OS Mojave beta that you downloaded from the Mac App Store.
Remember, you don’t need to install the image but instead, keep the files in the Applications folder. This is the most important step – you now need to open Terminal and type in the command shown underneath to copy mac OS Mojave onto the USB drive. You may be prompted to enter your Mac password, so just follow through and all your installation files will be moved to the USB drive. Finally, restart your Mac and hold down the “Option” key to see a list of available drives and select the USB installer disk. You will then see a familiar ‘Disk Utility’ window, which comes in handy for erasing your Mac’s main storage.
Installing new versions of mac OS on a Mac should be a pretty simple exercise.
The Mac tells you there's an update available via a pop up in Notification Centre - in some cases (depending on your settings) it's even downloaded it already and just needs your go-ahead to install.
One of the most significant announcements at Apple’s WWDC 2018 developer conference was the next iteration of mac OS, which has been dubbed mac OS Mojave (pronounced mo-hah-vee).
I really like the new name but the upcoming features, including dark mode, the revamped app store, and desktop stacks make it even more exciting.While installing the mac OS Mojave beta via an OTA update method is the most common way to go, there’s a possibility that you might want to hit refresh on your Mac system.It means you are ready to sacrifice all your data and start anew.If you haven't even got past the download stage there are a few things to try.When Apple releases a new mac OS update a lot of people will rush to grab it, which can cause problems with Apple's servers.So, here are the steps you need to follow for a clean install: 1.