Written by
Sherry SongSummary: Want to download macOS Sequoia DMG on your Mac for a clean installation, virtual machine, or create a bootable disk? This post tells how to download/create a macOS Sequoia DMG file step by step. For supported or unsupported Mac, you can freely download the macOS Sequoia with iBoysoft DiskGeeker for Mac.
The latest macOS Sequoia was finally released on September 16th, 2024, offering enhanced performance, improved security features, and fascinating new functionalities like Apple Intelligence, iPhone Mirroring, etc.
Generally, you can upgrade to macOS Sequoia via the Software Update in System Settings or from the Mac App Store. However, when it comes to installing Sequoia on a virtual machine or creating a macOS bootable disk, neither of those options will work.
Then, the macOS Seuqoia DMG file is what you need to run macOS Sequoia on VMware/VirtualBox on Mac, clean install macOS Sequoia on your Mac, or create a macOS bootable installer. In this post, you can directly download the macOS Sequoia DMG file or create one with detailed steps.
What is a macOS Sequoia DMG file?
A macOS Sequoia DMG file is a disk image file that stores the entire macOS installer for installing macOS Sequoia. To put it simply, it's a single, compressed file that is a digital duplicate of a real disk, such as a CD or hard drive. DMG files mount in the same way as if you had inserted a real drive when you open them.
Due to its ability to be encrypted for security and compressed for performance, DMG is a useful format for packaging and distributing large software programs like macOS Sequoia
The macOS DMG file is much like the macOS ISO file, serving the same purpose. The difference is that DMG files are exclusive to macOS, and ISO files work on many different platforms, including Windows. If you want to run macOS Sequoia on other platforms, you can choose to download macOS Sequoia ISO.
How to download the macOS Sequoia DMG file directly?
Traditional macOS DMG methods often limit installations to internal drives or require manual DMG extraction. And for the older or the latest macOS versions, some Macs can't support it. How do deal with the dilemma?
iBoysoft DiskGeeker for Mac is designed to simplify downloading authentic macOS dmg and deploying seamlessly to both your internal and external drives. Moreover, it replaces difficult Terminal commands with a simple process, no technical expertise required~
Let's download macOS Sequoia DMG files on Mac with iBoysoft DiskGeeker:
- Free download, install, and open iBoysoft DiskGeeker for Mac.
- Select Macintosh HD - Data /Macintosh HD / Macintosh volume group, and click the Download Image button on the right.
- Click Get near your wanted macOS version.
(You can click Compatibility to check whether it is compatible with your Mac.) - Choose a place to save it.
Then just wait and that's all. So easy and convenient~ Also, you can download macOS Sequoia to your external drive with it, have a try.
Share this tool to help others download the macOS Sequoia DMG file directly!
How to create a macOS Sequoia 15.0.1 DMG file?
If you wanna a manual way, you can also create it by yourself. But pay attention that it will fail and require muck commands knowledge. Here, we walk you through the specific steps to create a macOS Sequoia 15.0.1 DMG file.
Step 1. Download the full installer of macOS Sequoia 15.0.1
The first step of creating a macOS Sequoia DMG file is to get the full installer. The full installer for macOS Sequoia can be downloaded via the App Store, Terminal, or a link from a third party. The final approach is compatible with all Macs, but the first two are only compatible with Macs running macOS Sequoia.
Use the Mac App Store
- Open the Mac App Store and search for macOS Sequoia.
- Click View > Get, and it will open Software Update in System Settings.
- Click Download to confirm the operation and start the downloading process.
Use Terminal
- Launch Terminal from Finder > Applications > Utilities.
- Copy and paste the following command into Terminal, then press Enter. softwareupdate --fetch-full-installer --full-installer-version 15.0.1
Use third-party link
- Click this link to get Sequoia's full installer provided by mrmacintosh.com.
- Open and run the downloaded .pkg file to get the macOS Sequoia installer in the Applications folder in Finder.
Step 2. Create the macOS Sequoia 15.0.1 DMG file
After you have downloaded the macOS Sequoia full installer, now it's time to create the DMG file with the full installer. Without any third-party software, you can create the macOS Sequoia 15.0.1 DMG file with the Disk Utility or Terminal.
Create macOS Sequoia DMG file with Disk Utility
- Create a new folder on the desktop, and you can rename it "Sequoia".
- Go to Finder > Applications, and copy the "Install macOS Sequoia" app.
- Paste the copied file into the created Sequoia folder on your desktop.
- Open Finder > Applications > Utilities, and launch Disk Utility.
- Click the File menu in Disk Utility and choose New Image > Image from Folder.
- Select the Sequoia folder, click Choose, create a name for your DMG file, and tap the Save button.
- When the process is finished, the macOS Sequoia DMG file shows up on your desktop.
Create macOS Sequoia DMG file with Terminal
- Open the Terminal app on your Mac via Spotlight.
- Create a blank disk image with the command below: hdiutil create -o Sequoia.dmg -size 16000m -volname Sequoia -layout SPUD -fs HFS+J
- Mount the disk image by running the following command: hdiutil attach Sequoia.dmg -noverify -mountpoint /Volumes/Sequoia
- Enter this command to copy the macOS Sequoia installer to your disk: sudo /Applications/Install\ macOS\ Sequoia.app/Contents/Resources/createinstallmedia --volume /Volumes/Sequoia --nointeraction
- After the DMG file is created, you can find it in this path: /Sequoia.dmg via Go to Folder.
Now the macOS Sequoia DMG file has been successfully created, you can continue to use it to clean install macOS Sequoia on your Mac, distribute macOS Sequoia on multiple Macs, or create a bootable installer.
As you can see, creating by yourself is still too complicated and cumbersome, and not necessarily successful. So it's recommended to use iBoysoft DiskGeeker for Mac, which can eliminate these hurdles, merging professional-grade control for you.
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