Milestone signals Windows 8 has completed product development and testing, and is being handed-off to hardware partners to get ready for October 26 general availability. Release schedule below.

Windows 8 has reached RTM (Release to Manufacturing).
Microsoft has just announced that Windows 8 has reached Release to Manufacturing (RTM), the latest milestone in the launch of the new Windows 8 operating system.
Users buying a new Windows 7 PC between 2 June 2012 to 31 January 2013 can purchase an upgrade to Windows 8 Pro for S$17.99 (including GST) on the day of Windows 8 launch.
Those currently on Windows XP, Windows Vista or Windows 7 (prior to 2 June) can upgrade to Windows 8 Pro for US$39.99.
For those wanting to try a pre-release version of Windows 8 before general availability, the Windows 8 Release Preview is available for download here.
Developers can visit the Windows Dev Center to get access to all the tools and resources they need to design, build, and sell apps in the Windows Store.
Whereas all apps during the preview phases were free, developers can now begin charging for apps with the RTM.
Those with access to RTM bits will begin to see paid apps appear in the Windows Store.
The schedule for releasing the final RTM code to select audiences – including developers, IT professionals and partners – will begin in mid-August.
August 15th
- Developers building new apps for Windows 8 will be able to download the final version of Windows 8 via an MSDN subscription. You can visit the Windows Dev Center to get access to the final build of Visual Studio 2012.
- IT professionals testing Windows 8 in organizations will be able to access the final version of Windows 8 through a TechNet subscription.
August 16th
- Customers with existing Microsoft Software Assurance for Windows will be able to download Windows 8 Enterprise edition through the Volume License Service Center (VLSC), allowing you to test, pilot and begin adopting Windows 8 Enterprise within your organization.
- Microsoft Partner Network members will have access to Windows 8.
August 20th
- Microsoft Action Pack Providers (MAPS) receive access to Windows 8.
August 26th
- General availability of Windows 8 to customers.
September 1st
- Volume License customers without Software Assurance will be able to purchase Windows 8 through Microsoft Volume License Resellers.
Tags: availability, Microsoft, operating systems, RTM, software, Windows, Windows 7, Windows 8, Windows Vista, Windows XP