Upgrade to macOS Big Sur

• Imac 2011 Macos Sierra

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

Step 4: Install macOS High Sierra The second item from the top of the macOS Utilities screen is “Install macOS”. Select this item by clicking on it, then click on Continue. In the installer screen, select “Macintosh HD” (or whatever your boot drive is actually named) as the disk for macOS High Sierra to be installed on. Apple 21.5' iMac - HUGE 2TB UPGRADED - 8GB RAM - macOS X 2017 - WARRANTY. Apple 21.5' iMac - HUGE 1TB UPGRADED - 8GB RAM - macOS X 2017 - WARRANTY. MacOS High Sierra. This Mac is running the latest version of Mac OS X, macOS High Sierra (10.13). For details about your Mac model, click the Apple icon at the top left of your screen, choose About This Mac. These Mac models are compatible with macOS High Sierra: MacBook (Late 2009 or newer) MacBook Pro (Mid 2010 or newer) MacBook Air (Late 2010 or newer) Mac mini (Mid 2010 or newer) iMac (Late 2009 or newer) Mac Pro (Mid 2010 or newer). MacOS High Sierra 10.13.6 Features Full Version for Mac OS X. Some interesting features of MacOS High Sierra 10.13.6 listed below that you experienced after download dmg of MacOS High Sierra 10.13.6 update for imac pro. Latest MacOS High Sierra release; Improved security and better performance; Split view to work with multiple programs.

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.

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Imac 2011 Macos Sierra