The RTM (Release to Manufacturing) build of Windows 10 may have been completed by Microsoft's Windows development team. A new report claims that the company has signed-off on that RTM build, which comes just two weeks before the PC OS begins its public rollout on July 29.
The Verge, citing its unnamed sources at Microsoft, claims that the RTM build number for Windows 10 will indeed be 10240, which is something we have heard from our own sources. It adds that Microsoft might either make the RTM milestone official by the end of this week, or not mention it at all in order to keep its marketing on the Windows 10 launch.
The release of Windows 10 will also be the start of a new era for the Windows ecosystem as Microsoft plans to offer regular online feature updates for the OS, rather than wait every two or three years for a major new release to add new features. Microsoft is offering Windows 10 as a free upgrade for PC owners who have a fully licensed version of Windows 7 or Windows 8.1 installed.
Source: The Verge