You can download the macOS 26 Tahoe developer beta to preview the new design and features before the official release.Be cautious as beta software can be buggy, leading to data loss or app issues.Ensure to have backups of important data and photo library before installing the beta.Check Time Machine backup and photo library backup status before proceeding with the download.Enroll in the developer program to access beta updates like macOS Tahoe Developer Beta.The public beta for macOS Tahoe will be available in July, offering a safer experience with fewer critical bugs.Downloading the macOS beta update involves switching to beta updates and selecting the desired beta version.Expect regular software updates for macOS Tahoe beta until September, with the public beta release scheduled for July.Once downloaded, reboot to install the macOS Tahoe beta, but be prepared for potential bugs and issues.Consider transitioning to the public beta version in July for a more stable experience.