The first Windows 11 public beta has a build number of 22000.100, which is the same as the most recent Windows 11 preview in the Dev channel. However, as Microsoft states, the current Windows 11 build in the Beta channel is more stable and closer to the final build than the Dev channel one. So, Microsoft recommends those in the Dev channel switch over to the Beta channel to get more stable builds in the future.
It is also worth mentioning that users will need a compatible machine to run Windows 11 preview builds. You can check out the official requirements to run Windows 11 on your PC or laptop and whether or not your PC or laptop can run Windows 11. For those who are currently in the Dev channel, you can switch to the Beta channel from Settings -> Windows Update -> Windows Insider Program -> Choose your Insider settings. And for those who are eager to upgrade from Windows 10 to the latest beta of Windows 11, you can register for Microsoft’s beta program right here. Now, do keep in mind that Windows 11 builds in the Beta channel are more stable than those in the Dev channel, but they are still beta builds. So, it is wiser to run the current Windows 11 beta on a secondary machine rather than on your daily driver. Microsoft is yet to announce the official release date of Windows 11’s public build. It is expected to release globally sometime during September or October. So, stay tuned for regular updates about Microsoft’s next-gen Windows 11 OS.