Registered developers can download the beta via the Apple Developer Center. Once installed with appropriate configuration, the new software will be available through the Software Update mechanism in System Preferences.

macOS Sonoma introduces a security screen similar to the new Apple TV, which acts as a barrier after logging in. Additionally, users can utilize the new widget library to select from a variety of utilities, then drag them onto the Mac desktop.
Widgets can be arranged in any way, and when using an application, they're subtly blurred in the background to avoid distraction. Widgets are more interactive than ever, allowing tasks such as playing music, turning off lights indoors, etc. Through Continuity, iPhone widgets can also be displayed on the Mac desktop.
Video conferences have been improved with Presenter Overlay mode for presenters to display their screen or project. Furthermore, Safari now supports web apps for the Dock and offers a Profile option to separate personal browsing from work browsing.
Other new features of macOS Sonoma include improved and faster search, quicker feedback, password and code sharing, and an enhanced sticker interface for Messages app,...
Unfortunately, it's still unclear what new features Apple has brought to macOS Sonoma beta 6. If any new features are discovered, Mytour.vn will update in the following article.