Windows 11 Insider Preview Build 22000.100 has started rolling out to Insiders in the Beta Channel. Windows 11 is now available to all users enrolled in the Windows Insider program and can be installed on any Windows 10 computer. Microsoft also revealed the Windows 11 hardware requirements as part of the June launch, saying that a TPM 2.0 security processor is required to upgrade or install Windows 11. The Windows 11 version of Windows will only start rolling out worldwide in early 2022, Microsoft announced in June.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-11-closer-to-release-latest-build-enters-beta-channel/