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Windows 9 Beta Get your Windows 9 Beta for Developers now!
This is typically the first and early post beta version of Windows 9 that Microsoft can make available to developers.

Based on so what happened with Windows 8, Microsoft typically makes this version accessible to developers five to six months before it’s open to consumers.
Typically the Windows 9 Technology preview will come in multiple languages as well as in both 32 and 64 bit versions.