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1. #Update mac os how to#
2. #Update mac os update#

Have the Install macOS High Sierra.app in your Applications folder, and a 16GB USB stick named MyVolume, then follow the instructions here on how to create the bootable USB installer.

#Update mac os update#

You should receive a notification that a new update is available, but if you havent seen it, you can check under System. It is also possible to make a bootable USB stick with the High Sierra installer on it. Good news - you can download and install macOS 11 Big Sur right now. When it's time to back your Mac up, Apple has an official method dubbed Time Machine. Head over to the dosdude1 website and click on Download Latest Version to begin downloading the macOS Catalina Patcher on to your system. This will tell you what year your Mac was made, the version of macOS or. It is a good idea to keep a copy safe on an external drive should you ever need to reinstall macOS High Sierra (saves having to go through the painful download process or having to access the unreliable Apple Recovery Servers) or want to install it on another mac you have. How to prepare your Mac for an OS update Check the general requirements (and hardware). Restart your mac and try to download High Sierra again, make sure the App store says Get. When the download has completed and you have confirmed it is 5.23GBs in size then please make a copy of it for safe keeping, As I say the one in the Applications folder will self delete after you complete the installation. How to download os x 10.11 or later How to download os x 10.11 or later 6598 2 All replies Helpful replies. And also make sure the iMac is connected to your router via cable and not WiFi. Restart your mac and go back to the App Store and try the download again, make sure the App Store says 'Get'. Ok on your iMac you have macOS High Sierra.appdownload, as you can see it is only 415kbs, move it to the Trash and empty the Trash. You can manage macOS updates either manually or via a Mac update management software (or Mac patch management software).

If you have downloaded it to your laptop and installed it the Install macOS High Sierra.app self deletes after installing, whereas you could have just made a copy prior to installing so that you could move it over to your iMac. Go to the Apple menu and choose System Settings Go to General and then select Software Update Click to ‘Update Now’ when macOS Ventura 13.2 shows as available to download The macOS Ventura 13.2 update download size depends on the Mac, but is usually around 1GB in size. Wish you had told me you were trying to install macOS High Sierra on two different macs.