Microsoft announces Windows 8 Releases Preview and Visual Studio 2012 RC. The company has made significant changes for the Release Preview version compared to the Consumer Preview that was launched in Feb 29, 2012 at MWC.

For your conveience, we have grabbed direct download links from official website:

[download]

English

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0xD76AD96773615E8C504F63564AF749469CFCCD57

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x8BED436F0959E7120A44BF7C29FF0AA962BDEFC9

Arabic

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0x0C07A0501840517AE789B4EA82EDE061F4E42CE9

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x95B8948DB8AF1559B03ADA5A85B7987CFD456544

Chinese (Simplified)

64-bit (x64) Download (3.4 GB) Sha 1 hash — 0xC21B69413E08FCFB756EEDB2B99D0C0472486D1C

32-bit (x86) Download (2.6 GB) Sha 1 hash — 0xF9FAF5910275832EA03F630CD5803565C03C8F31

Chinese (Traditional)

64-bit (x64) Download (3.4 GB) Sha 1 hash — 0x1556802DEA81A7B3E3159E99F911C1C855B20B24

32-bit (x86) Download (2.6 GB) Sha 1 hash — 0xC617D24A48E5A5A2329CBA5DED2B08EBB7463FD0

French

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0x132ED51FAD11EF626BD330288822D68603C5C560

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x2F434DDD06ADDD38A972E3E71CA059BD9A4416CD

German

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0xC0117244B5E018BBF01F6242BF9020D27918A12F

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x019E239D0990B8C04505F5248DDBD067FC3CAF42

Japanese

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0x6393BA8BC2DD3CBD7B55D00B9D9587843BDB05CD

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0xE28666272702351491CCB713DC66E064D88BA994

Korean

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0xC4CFD5F2DD54CDC44FCFE5D69122931DEDA57DF6

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0xB605E1428852503C0E7E3490815E96A3101F2C55

Portuguese (Brazil)

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0x90B07E56008FAB64AD9CA47F86CC6D99150FBF8A

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x91AE86FACBBC4D6FAFED0239D15542C28F37827D

Russian

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0x10F9F738593BC740561DA8AB247F5CEF3ABA65BB

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x7A473B0D7F5DB3E949915D2A2F361FAE92A52538

Spanish

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0x6E6C4B9D5788BF2BF72E1AC8F1F1D6FA0241311C

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x533CA552681DFC9F347633F2BA1B5224BEF22EB3

Swedish

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0x632DB171AAD356E52930A745D92328055128CB8D

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x0BBB1EC6F68D4D0DAB0130853B5C6543882ED256

Turkish

64-bit (x64) Download (3.3 GB) Sha 1 hash — 0x9086CAA101C872DAB529CA8A01F7C7370986837B

32-bit (x86) Download (2.5 GB) Sha 1 hash — 0x509E6D4331F965BCA4102968016E5AD6B05769BF

[/download]

In prior to install Windows 8 Release Preview, Microsoft has shared a common product key for all variants.

Product Key: TK8TP-9JN6P-7X7WW-RFFTV-B7QPF

Besides, Microsoft also releases Windows Server 2012 RC. It is available in 64-bit edition only in Chinese (Simplified), English, French, German and Japanese. To download Windows Server 2012 RC, visit the MSDN Evaluation Center and sign in with your Windows Live ID to kick off downloading.