Microsoft will release Windows 8 preview beta in mid-September

Microsoft said recently that the company has confirmed that it will launch a preview beta version (Pre Beta) in mid-September this year, which will be released at the Windows conference and is expected to be available to more testers.
It is reported that Microsoft will provide Windows 8 operating system preview for partners at the International Computer Show in Taipei in June, and will also hold the BUILD conference in California on September 13-16. At the same time, it invites partners to participate in the Taiwanese computer brand. Including ASUS, Acer, mobile phone and tablet manufacturer HTC, and OEM foundries Quanta, Compal, Inventec, etc., application software vendors CyberLink and Mengyi Technology will send representatives to attend.
A number of compiled versions of Windows 8 have been widely circulated in the outside world, and most of them have not been authorized by Microsoft. Microsoft said it will strengthen Windows 8 license management to prevent unauthorized people from installing the latest version of Windows 8.
In addition, the company's various signs also indicate that Microsoft's Windows 8 development and testing will move to the next step, Microsoft recently established a new Windows 8 official blog, as well as Twitter accounts. These all indicate that Windows 8 will have new progress.
Currently, Windows 8 is still in the early M3 testing phase, and the recent leaked screenshot shows that the compiled version is Build 8064. Microsoft has not yet released the version number of Beta or Pre Beta.