Is the next major operating system for Mac — but just because you take it for a whirl, doesn't mean you're ready to commit your daily driver to it just yet. If you've decided you'd rather return to macOS High Sierra, you can downgrade with just a few steps. App for messages on mac self. If you follow these steps you'll be back to your old setup in no time. Note: If you are reading this article on the Mac that you want to downgrade on, switch to another device or print this page before continuing so you can read along as you go.
Apple's MacOS High Sierra update offers lots of behind-the-scenes changes that should make the Apple's desktop OS easy to use. Apple MacOS High Sierra for Mac. Apple is reworking how the OS.
• • • • • Step 1: Back up your Mac This process will erase macOS Mojave from your hard drive entirely. That means any files, programs, or documents you've been working on while using macOS Mojave will also be erased if you don't back them up first.
Use an or a cloud-based program like DropBox, OneDrive, or iCloud. If you don't save these important files somewhere off of your computer you will lose them. Step 2: Create a bootable drive of macOS High Sierra Before you erase macOS Mojave from your computer, download macOS HighSierra from the Mac App Store. It should be on your purchase list, or you can simply search for it in the Mac App Store.
You'll need a copy of macOS High Sierra in order to downgrade from macOS Mojave. MacOS High Sierra may no longer be available to download in the App store now that macOS Mojave is live.
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You should have downloaded a copy of High Sierra before macOS Mojave launched. Follow the steps linked below to make a bootable installer drive for macOS High Sierra. • Note: Making a bootable installer requires the use of Terminal. If you don't feel comfortable making changes to your Mac with Terminal, you can create a bootable disk using the. Step 3: Erase macOS Mojave • Connect your Mac to the internet via Wi-Fi or Ethernet.
• Click on the Apple icon in the upper left corner of the screen. • Select Restart from the drop-down menu. • Hold down Command+R, and keep holding the keys until your computer reboots. This will put your computer into Recovery Mode. • Click on Disk Utility in the OS X Utilities selector. • Click Continue.
• Select your Startup Disk. • Click on the Erase tab at the top of the window. • Enter a name for the file to be destroyed (Like macOS Mojave or something). • If your Mac is using HFS+, select Mac OS Extended (Journaled) from the format list. If your Mac is using APFS, select APFS from the format list. • If Scheme is available, select GUID Partition Map. • Click Erase.