How to install language pack :
- Press Ctrl + R to open Run box.
- Type LPKSetup.exe
- Chose Install display languages
- Browse to folder that contain downloaded language files
- Install

MICROSOFT.WINDOWS.8.1.LANGUAGE.PACK.RTM.X86.MULTI.CL1.DVD-WZT
RELEASE DATE: 08/21/2013
BUILD: 6.3.9600.16384.WINBLUE_RTM.130821-1623
FILE: 9600.16384.130821-1623_x86fre_Client_MULTI_IRM_CL1_DV5.iso
SIZE: 1,483,513,856 byte
SHA-1: 3B62F16F50F3F80A58BE29B4B3A99885BD8F1AD4
MD5: 93CCCBFD2F4EC5BB13C7E934CADB4056
NOTE: this is original M$ image.

LANGUAGE PACK (Multiple Languages) - the packages for localizations of the interface of the user Microsoft Windows 8.1
The following 36 languages are included: English, Japanese, Arabic, Bulgarian, Czech, Danish, German, Greek, Spanish, Estonian, Finnish, French, Hebrew,
Croatian, Hungarian, Italian, Lithuanian, Latvian, Dutch, Norwegian, Polish, Portuguese-Brazil, Romanian, Russian, Slovak, Slovenian, Serbian, Swedish, Thai,
Turkish, Ukrainian, Multi-Language, Chinese - Hong Kong SAR, Chinese - Simplified, Portuguese-Portugal, Kyrgyz.

MICROSOFT.WINDOWS.8.1.LANGUAGE.PACK.RTM.X64.MULTI.CL1.DVD-WZT
RELEASE DATE: 08/21/2013
BUILD: 6.3.9600.16384.WINBLUE_RTM.130821-1623
FILE: 9600.16384.130821-1623_x64fre_Client_MULTI_IRM_CL1_DV5.iso
SIZE: 1,963,837,440 byte
SHA-1: 4D567D72CBFF463F5C2C64B0B221E7A408240183
MD5: 58FE54CFB87506C83DF5BAECF181C5A8
NOTE: this is original M$ image.

LANGUAGE PACK (Multiple Languages) - the packages for localizations of the interface of the user Microsoft Windows 8.1
The following 36 languages are included: English, Japanese, Arabic, Bulgarian, Czech, Danish, German, Greek, Spanish, Estonian, Finnish, French, Hebrew, Croatian, Hungarian, Italian, Lithuanian, Latvian, Dutch, Norwegian, Polish, Portuguese-Brazil, Romanian, Russian, Slovak, Slovenian, Serbian, Swedish, Thai, Turkish, Ukrainian, Multi-Language, Chinese - Hong Kong SAR, Chinese - Simplified, Portuguese-Portugal, Kyrgyz.

Home:

windows.microsoft.com/en-IN/windows/language-packs‎

Download:

http://ul.to/jx2srxsa
http://fileom.com/5sn371xdg2gq/GMW.rar.html

Direct Mirror for V.I.P