Open the 'macOS Mojave Patcher' tool, and browse for your copy of the macOS Mojave Installer App. Insert your desired USB drive, open Disk Utility, and format it as OS X Extended (Journaled). When installing, ensure your system is plugged in to power, or the update will not be installed.If you need to know which disk your sd card is, then run this before and after you insert your sd card and look at the difference: diskutil listHow to upgrade macOS: Sierra 10.12 compatibility listIf this method does not work for you and all you need to backup is your recovery and boot images, you can simply do so as follows. So pop your sd card into your mac and do: dd if/dev/disk3 of/Desktop/raspi.img bs1M. 3.All dd does, is make a bit for bit copy of one directory to another.You'll feel great getting rid of them.That will give your Mac a basic system cleanup, but CleanMyMac is going to come in handy after the update as well. Hit Scan to find all the extra files you can delete.As you can see, I have 8.56 GB worth of caches, obsolete language files, broken downloads. How to update your Mac: Clean it up first If that sounds like a lot of work, you can get a Mac cleaner like CleanMyMac for the job.
Choose where you'd like to store your backup. To back up your Mac, you need to activate Time Machine.Note: You may need to first choose to "Set Up Time Machine." To make sure you have all your information and files saved up neatly, you need a backup. Why? Well, because sometimes updates happen less smoothly than you’d like them to. Since 2020, the newest available macOS version is Big Sur. To speed it up, click the arrow clock icon next to the Date & Time at the top-right of the menu bar and select "Back Up Now."How to download macOS Sierra (or newer macOS) and install itMacOS Sierra is increasingly becoming a relic. Switch the toggle on the left, from "OFF" to "ON." Right beneath the name of your storage device, you'll see "Oldest backup," "Latest backup," and "Next backup" — Your backup will begin within 5 minutes. Internet explorer for mac os x 1068 downloadIn our case, it's macOS Big Sur.Another way to do it is via the Mac App Store. In the Apple menu.On top of the list you'll see the latest macOS version your Mac can download. If your Mac is from 2010 or older, its limit is macOS High Sierra.To download any new macOS and install it you’ll need to do the next:1. If your Mac is from around 2012 it can update as high up as to macOS Catalina. Your Mac can only upgrade to the latest version its hardware can support. Make A Copy Of Your Current Osx System For Later Download MacOS InstallersThey go as far back as to macOS Yosemite. The first 3 of them will open and start the update process automatically.The 3 following installers will download macOS as a disk image (.dmg) After you unpack it, the macOS updater app will appear in your Applications.We hope this guide has been of use, and don’t forget to clean up your Mac and back it up before you get the classic macOS! Cheers. Download macOS installers directly from AppleFor users of past operating systems Apple created a handy a list of macOS installers. Your Mac will restart when it’s done.For historic interest, this is how macOS Sierra looked back then when it was still available in the Mac App Store. Now, it can't be found there anymore.
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