https://www.bleepingcomputer.com/news/microsoft/windows-11-lets-you-enable-the-classic-windows-10-start-menu/

With yesterday's leak of a preview build for Windows 11, many users have quickly shared their opinion regarding how they felt about the new Start Menu. If you are not a fan of the new Start Menu layout, Microsoft has included a setting that lets you revert back to the classic Start Menu.

In the leaked preview build of Windows 11, users got their first glimpse of Microsoft's next generation of Windows and quickly focused on the new Start Menu.