Now you are ready to install macOS 🚀 Installation. CLI method (primary). Just run the OpenCore-Boot.sh script to start the installation process./OpenCore-Boot.sh Note: This same script works for Big Sur, Catalina, Mojave, and High Sierra. You are all set! 🙌 (OPTIONAL) Use this macOS VM disk with libvirt (virt-manager / virsh stuff). If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar and Photos. If you wish to enable cloud connectivity, perform this post-install step. If you have an out-of-date Personal or Enterprise license key for VNC 5.x, you must purchase a subscription as a new customer. If you have a Free license key for VNC 5.x, you can migrate to a new, free Home subscription providing you install VNC Server desk-side. 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.

Upgrade to macOS Big Sur

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.

A deployment with an even number of masters provides the same level of fault tolerance as a deployment with one fewer master. For example, both four-master and three-master deployments can only tolerate a single failure; two-master deployments cannot tolerate any failures.

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.

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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.

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