Microsoft has released what they call Windows 8 Release Preview (also popularly known as Release Candidate), the final version before Windows 8 RTM (Release to Manufacturing). This also marks the final phase of development. Microsoft made available the Consumer Preview version of Windows 8 back in February and with this release public can get hands on a much stable, feature rich OS version ready for daily use.
Windows 8 Release preview is available in 14 languages for the 32-bit (x86) and 64-bit (x64) desktop PCs. It comes packed with the all new Internet Explorer 10 (IE 10) featuring Do Not Track by default and official Microsoft apps store showcasing flagship Metro style Windows 8 apps like Hotmail, SkyDrive, Messenger and many third-party apps. Windows 8 Release Preview also features more personalization options for the Start screen, multi-monitor support which lets users manage many large screen easily and Family safety features to name a few. For the complete set of features download this product guide from here. The Frequently Asked Questions (FAQs) about Windows 8 RP can be found here.
Download the Windows ISO file (links below) and you can create a bootable DVD or USB using this tool. Alternatively you can download Windows 8 Release Preview Setup, which includes tools for creating a DVD or USB flash drive from an ISO file (Windows Vista or Windows 7 required).
Download Windows 8 Release Preview (English):
Product Key: TK8TP-9JN6P-7X7WW-RFFTV-B7QPF
Watch the video demo of Windows 8 Release Preview: