Official Windows 8.1 Enterprise Evaluation

TechNet Evaluation Center en-US - Download Windows 8.1 Enterprise Evaluation. Sign in with a Microsoft account:
http://technet.microsoft.com/en-us/evalcenter/hh699156.aspx

Windows 8.1 Update Enterprise Evaluation ISO 32-bit (x86) version REFRESH 9600.17050 direct links:
ER-US   http://care.dlservice.microsoft.com/dl/download/B/9/9/B999286E-0A47-406D-8B3D-5B5AD7373A4A/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_EN-US-IR3_CENA_X86FREE_EN-US_DV9.ISO
EN-GB   http://care.dlservice.microsoft.com/dl/download/9/F/6/9F64B593-4672-46D9-B1CA-4EE99F79E872/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_EN-GB-IR3_CENA_X86FREE_EN-GB_DV9.ISO
DE-DE   http://care.dlservice.microsoft.com/dl/download/1/B/E/1BEDF444-0504-4694-A738-4005AAD16887/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_DE-DE-IR3_CENA_X86FREE_DE-DE_DV9.ISO
FR-FR   http://care.dlservice.microsoft.com/dl/download/5/A/9/5A96D549-F597-4156-B55B-CF38BC18C2D6/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_FR-FR-IR3_CENA_X86FREE_FR-FR_DV9.ISO
IT-IT   http://care.dlservice.microsoft.com/dl/download/9/9/0/990BE88C-C8FE-420A-8FDC-F5A751F70184/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_IT-IT-IR3_CENA_X86FREE_IT-IT_DV9.ISO
JA-JP   http://care.dlservice.microsoft.com/dl/download/1/1/4/11432B30-272F-4560-9F3F-DF1A07D3CA98/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_JA-JP-IR3_CENA_X86FREE_JA-JP_DV9.ISO
KO-KR   http://care.dlservice.microsoft.com/dl/download/4/D/4/4D4813B9-A379-40AC-81A6-EAA0C4F28112/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_KO-KR-IR3_CENA_X86FREE_KO-KR_DV9.ISO
PT-BR   http://care.dlservice.microsoft.com/dl/download/5/2/F/52F8B735-EF31-4B8D-AC55-ED5CF23EC34E/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_PT-BR-IR3_CENA_X86FREE_PT-BR_DV9.ISO
ES-ES   http://care.dlservice.microsoft.com/dl/download/0/7/B/07BE130B-AFD1-4856-9A27-F1436AC69055/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_ES-ES-IR3_CENA_X86FREE_ES-ES_DV9.ISO
ZH-CN   http://care.dlservice.microsoft.com/dl/download/D/E/9/DE9B4492-4988-4D60-B35C-F8FB951F3646/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_ZH-CN-IR3_CENA_X86FREE_ZH-CN_DV9.ISO
ZH-TW   http://care.dlservice.microsoft.com/dl/download/9/5/F/95F304E0-C58D-48B7-8977-F8A884AE2629/9600.17050.WINBLUE_REFRESH.140317-1640_X86FRE_ENTERPRISE_EVAL_ZH-TW-IR3_CENA_X86FREE_ZH-TW_DV9.ISO

Windows 8.1 Update Enterprise Evaluation ISO 64-bit (x64) version REFRESH 9600.17050 direct links:
EN-US   http://care.dlservice.microsoft.com/dl/download/B/9/9/B999286E-0A47-406D-8B3D-5B5AD7373A4A/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_EN-US-IR3_CENA_X64FREE_EN-US_DV9.ISO
EN-GB   http://care.dlservice.microsoft.com/dl/download/9/F/6/9F64B593-4672-46D9-B1CA-4EE99F79E872/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_EN-GB-IR3_CENA_X64FREE_EN-GB_DV9.ISO
DE-DE   http://care.dlservice.microsoft.com/dl/download/1/B/E/1BEDF444-0504-4694-A738-4005AAD16887/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_DE-DE-IR3_CENA_X64FREE_DE-DE_DV9.ISO
FR-FR   http://care.dlservice.microsoft.com/dl/download/5/A/9/5A96D549-F597-4156-B55B-CF38BC18C2D6/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_FR-FR-IR3_CENA_X64FREE_FR-FR_DV9.ISO
IT-IT   http://care.dlservice.microsoft.com/dl/download/9/9/0/990BE88C-C8FE-420A-8FDC-F5A751F70184/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_IT-IT-IR3_CENA_X64FREE_IT-IT_DV9.ISO
JA-JP   http://care.dlservice.microsoft.com/dl/download/1/1/4/11432B30-272F-4560-9F3F-DF1A07D3CA98/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_JA-JP-IR3_CENA_X64FREE_JA-JP_DV9.ISO
KO-KR   http://care.dlservice.microsoft.com/dl/download/4/D/4/4D4813B9-A379-40AC-81A6-EAA0C4F28112/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_KO-KR-IR3_CENA_X64FREE_KO-KR_DV9.ISO
PT-BR   http://care.dlservice.microsoft.com/dl/download/5/2/F/52F8B735-EF31-4B8D-AC55-ED5CF23EC34E/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_PT-BR-IR3_CENA_X64FREE_PT-BR_DV9.ISO
ES-ES   http://care.dlservice.microsoft.com/dl/download/0/7/B/07BE130B-AFD1-4856-9A27-F1436AC69055/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_ES-ES-IR3_CENA_X64FREE_ES-ES_DV9.ISO
ZH-CN   http://care.dlservice.microsoft.com/dl/download/D/E/9/DE9B4492-4988-4D60-B35C-F8FB951F3646/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_ZH-CN-IR3_CENA_X64FREE_ZH-CN_DV9.ISO
ZH-TW   http://care.dlservice.microsoft.com/dl/download/9/5/F/95F304E0-C58D-48B7-8977-F8A884AE2629/9600.17050.WINBLUE_REFRESH.140317-1640_X64FRE_ENTERPRISE_EVAL_ZH-TW-IR3_CENA_X64FREE_ZH-TW_DV9.ISO