<ul data-eligibleForWebStory="true">MacOS Tahoe 26 introduces new Liquid Glass interface, Phone app on Mac, big Spotlight changes, Apple Intelligence features, a new Games app, and more.Installing MacOS Tahoe beta should be done by advanced users; beta software is buggy and less stable.Requirements for installing MacOS Tahoe 26 beta include compatible Mac models & active Apple ID in developer program.Register Apple ID with Apple Developer program, backup Mac with Time Machine before installing Tahoe 26 beta.Access Software Update in System Preferences and select MacOS Tahoe 26 Developer Beta.Choose 'Upgrade Now' to initiate the installation process; Mac will restart after installation.Alternatively, download full installer or IPSW file to install MacOS Tahoe beta through different methods.Excited users can also install iOS 26 beta on iPhone, iPadOS 26 beta on iPad, watchOS 26 beta on Apple Watch, and tvOS 26 beta on Apple TV.Install MacOS Tahoe 26 beta through System Preferences' Software Update is the simplest way.Advanced users can consider other installation methods such as creating a boot disk or performing a clean install.MacOS Tahoe 26 brings significant visual overhaul and new features for Mac users.Compatible Macs include Apple Silicon M-series Macs and select Intel Mac models.Active internet connection and at least 40 GB of free disk space are necessary for installing MacOS Tahoe 26 beta.Installing beta software has risks; it's advisable to have a backup and be prepared for issues and bugs.MacOS Tahoe 26 beta installation process simulates a standard MacOS system update.Installation of MacOS Tahoe 26 beta will prompt the Mac to restart for completion.Installing MacOS Tahoe beta involves selecting the beta track and initiating the upgrade process.