Windows 8 RTM released
As scheduled, Microsoft officially released the final version of Windows 8 to MSDN and TechNet subscribers on August 15th. The Windows 8 RTM (release to manufacturing) should be the same one that will ship on October 26th.
People which meet the qualification can download and test the Windows 8 and Windows 8 Pro into their PCs or laptops. If you qualify under one of the programs of MSDN Subscription, Microsoft Partner Network, TechNet Professional Subscription, and Microsoft Volume Licensing/Software Assurance, you are ready to download the final bits of Windows 8 RTM.