Apple has released macOS Sequoia beta 3 for developers engaged in the MacOS Sequoia beta testing initiative.
Dubbed MacOS 15, macOS Sequoia introduces an array of new functionalities, such as iPhone Mirroring, which lets you view and engage with your iPhone directly from your Mac's display, a new Passwords app, AI enhancements through Apple Intelligence, a convenient window tiling feature, enhancements to core applications like Safari and Notes, and significant updates to the Photos app, alongside numerous other minor tweaks and additions.
Although the developer beta program is open to anyone with an Apple ID, beta system software is best suited for those with advanced technical skills. If you're technically proficient or simply curious, you can find instructions on how to install the MacOS Sequoia beta here.
In addition to macOS Sequoia beta 3, developers have access to iOS 18 beta 3, iPadOS 18 beta 3, watchOS 11 beta 3, tvOS 18 beta 3, and visionOS 2 beta 3 for testing purposes.
How to Download & Install MacOS Sequoia 15 Beta 3
Before proceeding with any system software update, particularly a beta version, it's crucial to back up your Mac using Time Machine or another preferred backup solution.
- Click on the Apple menu and choose "System Settings"
- Go to "General"
- Click on "Software Update"
- Select "Update Now" to install MacOS Sequoia 15 developer beta 3
Remember, a restart is required to finalize the installation.
Downloading the Full MacOS Sequoia Beta 3 Installer via Terminal
Beta users can also obtain a complete installer for macOS Sequoia beta 3 through the command line:
softwareupdate --download --fetch-full-installer --full-installer-version 15.0
This command will download the full installer, which you'll find in the /Applications folder labeled as “Install macOS Sequoia beta.app”.
macOS Sequoia 15 Beta 3 Installer Direct Download Link & IPSW File
Advanced users can also directly download the full macOS Sequoia beta 3 installer and a MacOS Sequoia beta 3 IPSW file from Apple:
- MacOS Sequoia 15 Developer Beta 3 InstallAssistant.pkg
- MacOS Sequoia developer beta 3 IPSW
IPSW files are useful for restoring Apple Silicon Macs and setting up virtual machines. The installer file can be used to upgrade Macs to Sequoia, create a boot disk, and more.
These resources are particularly beneficial for advanced users aiming to install MacOS Sequoia betas in virtual machines, on multiple Macs, for restoring Macs, creating boot disks, and other purposes.
Apple has announced that the final release of macOS Sequoia will be available to all users this fall.
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