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MacOS Big Sur elevates Mac to a new level of power and beauty with a refined new design, major app updates, and more transparency around your privacy.

1. Os X High Sierra Upgrade
2. Mac High Sierra Upgrade To Mojave

Upgrade to macOS Big Sur

• STEP 1: Download macOS Sierra The full operating system is a free download for anyone who has purchased Mac OS X Snow Leopard, Lion, or Mountain Lion or has a Mac preloaded with OS X Mavericks, Yosemite, El Capitan, or macOS Sierra.
• I want to create a bootable usb for high sierra and i cant use my mac os because of hard replacement.i did exactly what this article says and everything went find and bootable flash created successfully but after trying to boot from it by holding option key i have only macintosh HD and recovery HD there and flash doesnt show up.
• A: Check to make sure your Install macOS High Sierra App is the correct one. It should be around 5GB in size. If you used the 'Skip App Verification' option, you have most likely selected an invalid app that doesn't contain the necessary files. Q: I cannot open my copy of Install macOS High Sierra with the patch tool.

Before installing this upgrade, make sure that your Mac is ready.

Check compatibility

macOS Big Sur supports most Mac models introduced in 2013 and later.

Make a backup

Before you upgrade, make a complete backup with Time Machine, or store your files in iCloud.

Free up space

If the installer needs more storage space to upgrade, you can free up space using tools that come with your Mac.

Download macOS Big Sur

If you’re using macOS Mojave or later, choose Apple menu  > System Preferences, then click Software Update. If you’re using an earlier macOS, use the App Store instead.

Get to know macOS Big Sur

Learn about some of the new features of macOS Big Sur.

Control Center

Control Center brings favorite controls such as Bluetooth, Wi-Fi, Do Not Disturb, and Sound together in a single place—so you can easily adjust them at any time.

Notification Center

Notification Center puts notifications and>

Safari

Customize your start page, navigate with ease using the new tab bar, and access a new privacy report to see just how Safari protects your privacy as you browse.

Maps

Discover great places around the world and navigate easier with guides, cycling directions, indoor maps, Look Around, electric vehicle routing, and more.

Messages

Send messages to friends and family using new tools that make it easier to keep track of group conversations and give you fun, engaging ways to express yourself.

Photos

Use the expanded editing capabilities in Photos to easily make simple changes and more advanced adjustments to your photos.

Have a question?

Ask everyone. Our Apple Support Community can help you find answers.

Os X High Sierra Upgrade

Mac High Sierra Upgrade To Mojave

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