Under the pop-up menu, you’ll see “Select the OS X installer.” (macOS used to be called OS X.) If you have only the High Sierra installer on your Mac, Install Disk Creator will automatically. Download: OS X El Capitan This downloads as a disk image named InstallMacOSX.dmg. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. Insert your desired USB drive, open Disk Utility, and format it as OS X Extended (Journaled). Open the 'macOS High Sierra Patcher' tool, and browse for your copy of the macOS High Sierra Installer App.Ensure that the tool successfully verifies the app. Next, select your USB drive in the Target Volume list, and click 'Start Operation.'

Upgrade to macOS Big Sur

And then download the MacOS high sierra. This file will be in zip format. And so you need to extract it by using WinRAR or any other tool. Now, Launch the Virtual machine and then “Create a new machine”. And then do the following settings: Name: macOS 10.13 High Sierra Type: Mac OS X Version: macOS 10.13 or 10.12.

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.

View compatible Mac models

Make a backup

Os X Sierra Installer

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

Learn how to back up your Mac

Free up space

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

Free up storage space

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.

Learn how to download and install macOS Big SurGo to the App Store

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.

Use Control Center

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.

Get to know Safari

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.

Sierra os x installer downloadUse MessagesLearn more on YouTube

Sierra Os Installer

Photos

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

Learn how to edit your photos

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