Windows 10/Windows Update builds

When the techincal preview got released, it included a "Preview builds" feature. It was supposed to allow you to download new preview builds and directly update to them. However, this feature isn't working as of now. By some registry hacking and deep digging, we were able to get a handful of new buildstrings and even their ESD names, but there's not yet a known way of downloading them. This list is not definitive and will probably grow in the next days.

9778.0.fbl_marketplace.140619-1430_x64fre_client_EnterpriseVL_en-us-IR3_CENA_X64FREV_EN-US_ESD.esd

9786.0.winmain_prs.140629-1340_x86fre_client_Professional_en-us-IR3_CPRA_X86FRER_EN-US_ESD.esd

9787.0.winmain_prs.140630-1500_x64fre_client_EnterpriseVL_en-us-IR3_CENA_X64FREV_EN-US_ESD.esd 9787.0.winmain_prs.140630-1500_x64fre_client_Professional_en-us-IR3_CPRA_X64FRER_EN-US_ESD.esd 9787.0.winmain_prs.140630-1500_x86fre_client_EnterpriseVL_en-us-IR3_CENA_X86FREV_EN-US_ESD.esd 9787.0.winmain_prs.140630-1500_x86fre_client_Professional_en-us-IR3_CPRA_X86FRER_EN-US_ESD.esd

9836.0.140906-2314.fbl_release_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9836.0.140906-2314.fbl_release_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9836.0.140906-2314.fbl_release_CLIENTPRO_RET_x64fre_en-us.esd 9836.0.140906-2314.fbl_release_CLIENTPRO_RET_x86fre_en-us.esd

9841.0.140916-1433.fbl_bldsvc_CLIENTENTERPRISE_VOL_x64fre_en-us.esd

9845.0.140921-1448.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd

9847.0.140923-1624.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9847.0.140923-1624.winmain_CLIENTProfessionalVL_VOL_x64fre_en-us.esd 9847.0.140923-1624.winmain_CLIENTProfessionalVL_VOL_x86fre_en-us.esd 9847.0.140923-1714.fbl_bldsvc_CLIENTENTERPRISE_VOL_x64fre_en-us.esd

9848.0.140924-2115.fbl_bldsvc_CLIENTENTERPRISE_VOL_x64fre_en-us.esd

9849.0.140926-0249.fbl_release_CLIENTENTERPRISE_VOL_x64fre_en-gb.esd 9849.0.140926-0249.fbl_release_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9849.0.140926-0249.fbl_release_CLIENTENTERPRISE_VOL_x64fre_ja-jp.esd 9849.0.140926-0249.fbl_release_CLIENTENTERPRISE_VOL_x64fre_pt-br.esd 9849.0.140926-0249.fbl_release_CLIENTENTERPRISE_VOL_x64fre_zh-cn.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x64fre_en-gb.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x64fre_en-us.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x64fre_ja-jp.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x64fre_pt-br.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x64fre_zh-cn.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x86fre_en-gb.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x86fre_en-us.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x86fre_ja-jp.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x86fre_pt-br.esd 9849.0.140926-0249.fbl_release_CLIENTPRO_RET_x86fre_zh-cn.esd

9850.0.140926-1824.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9850.0.140926-1824.winmain_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9850.0.140926-1824.winmain_CLIENTPRO_RET_x64fre_en-us.esd 9850.0.140926-1824.winmain_CLIENTPRO_RET_x86fre_en-us.esd 9850.0.140926-1857.fbl_bldsvc_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9850.0.140927-1520.fbl_release_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9850.0.140927-1520.fbl_release_CLIENTENTERPRISE_VOL_x86fre_en-gb.esd 9850.0.140927-1520.fbl_release_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9850.0.140927-1520.fbl_release_CLIENTENTERPRISE_VOL_x86fre_pt-br.esd 9850.0.140927-1520.fbl_release_CLIENTENTERPRISE_VOL_x86fre_zh-cn.esd 9850.0.140927-1520.fbl_release_CLIENTPRO_RET_x64fre_en-us.esd 9850.0.140927-1520.fbl_release_CLIENTPRO_RET_x86fre_en-gb.esd 9850.0.140927-1520.fbl_release_CLIENTPRO_RET_x86fre_en-us.esd 9850.0.140927-1520.fbl_release_CLIENTPRO_RET_x86fre_pt-br.esd 9850.0.140927-1520.fbl_release_CLIENTPRO_RET_x86fre_zh-cn.esd

9851.0.140928-1640.fbl_release_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9851.0.140928-1640.fbl_release_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9851.0.140928-1640.fbl_release_CLIENTPRO_RET_x64fre_en-us.esd 9851.0.140928-1640.fbl_release_CLIENTPRO_RET_x86fre_en-us.esd

9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x64fre_ar-sa.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x64fre_en-gb.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x64fre_ja-jp.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x64fre_ko-kr.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x64fre_pt-br.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x64fre_zh-cn.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x86fre_ar-sa.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x86fre_en-gb.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x86fre_ja-jp.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x86fre_ko-kr.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x86fre_pt-br.esd 9852.0.140929-1345.winmain_CLIENTENTERPRISE_VOL_x86fre_zh-cn.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x64fre_en-gb.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x64fre_en-us.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x64fre_ja-jp.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x64fre_ko-kr.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x64fre_pt-br.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x64fre_zh-cn.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x86fre_ar-sa.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x86fre_en-gb.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x86fre_en-us.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x86fre_ja-jp.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x86fre_ko-kr.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x86fre_pt-br.esd 9852.0.140929-1345.winmain_CLIENTPRO_RET_x86fre_zh-cn.esd 9852.0.140929-1714.fbl_bldsvc_CLIENTENTERPRISE_VOL_x64fre_en-us.esd

9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x64fre_ar-sa.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x64fre_en-gb.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x64fre_ja-jp.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x64fre_ko-kr.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x64fre_pt-br.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x64fre_zh-cn.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x86fre_ar-sa.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x86fre_en-gb.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x86fre_ja-jp.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x86fre_ko-kr.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x86fre_pt-br.esd 9853.0.140930-1245.winmain_CLIENTENTERPRISE_VOL_x86fre_zh-cn.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x64fre_ar-sa.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x64fre_en-gb.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x64fre_en-us.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x64fre_ja-jp.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x64fre_ko-kr.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x64fre_pt-br.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x64fre_zh-cn.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x86fre_ar-sa.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x86fre_en-gb.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x86fre_en-us.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x86fre_ja-jp.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x86fre_ko-kr.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x86fre_pt-br.esd 9853.0.140930-1245.winmain_CLIENTPRO_RET_x86fre_zh-cn.esd 9853.0.140930-1548.fbl_kpg_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9853.0.140930-1548.fbl_kpg_CLIENTENTERPRISE_VOL_x86fre_en-us.esd

9854.0.141001-1402.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9854.0.141001-1402.winmain_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9854.0.141001-1402.winmain_CLIENTPRO_RET_x64fre_en-us.esd 9854.0.141001-1402.winmain_CLIENTPRO_RET_x86fre_en-us.esd 9854.0.141001-1447.winmain_prs_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9854.0.141001-1447.winmain_prs_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9854.0.141001-1447.winmain_prs_CLIENTPRO_RET_x64fre_en-us.esd 9854.0.141001-1447.winmain_prs_CLIENTPRO_RET_x86fre_en-us.esd

9855.0.141002-1432.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9855.0.141002-1432.winmain_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9855.0.141002-1432.winmain_CLIENTPRO_RET_x64fre_en-us.esd 9855.0.141002-1432.winmain_CLIENTPRO_RET_x86fre_en-us.esd

9857.0.141005-1237.fbl_cdexp_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9857.0.141005-1237.fbl_cdexp_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9857.0.141005-1307.fbl_cortana_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9857.0.141005-1311.fbl_comp_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9857.0.141005-1324.fbl_mobs_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9857.0.141005-1324.fbl_mobs_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9857.0.141005-1402.fbl_cde_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9857.0.141005-1402.fbl_cde_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9857.0.141005-1700.fbl_sfp_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9857.0.141005-1700.fbl_sfp_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9857.0.141005-2029.fbl_shellinput_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9857.0.141005-2029.fbl_shellinput_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9857.0.141005-2142.fbl_release_CLIENTENTERPRISE_VOL_x64fre_en-gb.esd 9857.0.141005-2142.fbl_release_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9857.0.141005-2142.fbl_release_CLIENTENTERPRISE_VOL_x64fre_zh-cn.esd 9857.0.141005-2142.fbl_release_CLIENTENTERPRISE_VOL_x86fre_en-gb.esd 9857.0.141005-2142.fbl_release_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9857.0.141005-2142.fbl_release_CLIENTENTERPRISE_VOL_x86fre_ja-jp.esd 9857.0.141005-2142.fbl_release_CLIENTENTERPRISE_VOL_x86fre_pt-br.esd 9857.0.141005-2142.fbl_release_CLIENTENTERPRISE_VOL_x86fre_zh-cn.esd 9857.0.141005-2142.fbl_release_CLIENTPRO_RET_x64fre_en-gb.esd 9857.0.141005-2142.fbl_release_CLIENTPRO_RET_x64fre_en-us.esd 9857.0.141005-2142.fbl_release_CLIENTPRO_RET_x64fre_zh-cn.esd 9857.0.141005-2142.fbl_release_CLIENTPRO_RET_x86fre_en-gb.esd 9857.0.141005-2142.fbl_release_CLIENTPRO_RET_x86fre_en-us.esd 9857.0.141005-2142.fbl_release_CLIENTPRO_RET_x86fre_ja-jp.esd 9857.0.141005-2142.fbl_release_CLIENTPRO_RET_x86fre_pt-br.esd 9857.0.141005-2142.fbl_release_CLIENTPRO_RET_x86fre_zh-cn.esd

9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x64fre_ar-sa.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x64fre_en-gb.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x64fre_ja-jp.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x64fre_ko-kr.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x64fre_pt-br.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x64fre_zh-cn.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x86fre_ar-sa.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x86fre_en-gb.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x86fre_ja-jp.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x86fre_ko-kr.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x86fre_pt-br.esd 9858.0.141006-1219.winmain_CLIENTENTERPRISE_VOL_x86fre_zh-cn.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x64fre_ar-sa.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x64fre_en-gb.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x64fre_en-us.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x64fre_ja-jp.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x64fre_ko-kr.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x64fre_pt-br.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x64fre_zh-cn.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x86fre_ar-sa.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x86fre_en-gb.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x86fre_en-us.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x86fre_ja-jp.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x86fre_ko-kr.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x86fre_pt-br.esd 9858.0.141006-1219.winmain_CLIENTPRO_RET_x86fre_zh-cn.esd 9858.0.141006-1819.fbl_kpg_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9858.0.141006-1819.fbl_kpg_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9858.0.141006-1823.fbl_cde_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9858.0.141006-1823.fbl_cde_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9858.0.141006-1823.fbl_cdexp_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9858.0.141006-1823.fbl_cdexp_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9858.0.141006-1830.fbl_shellinput_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9858.0.141006-1830.fbl_shellinput_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9858.0.141006-2147.fbl_mobs_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9858.0.141006-2147.fbl_mobs_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9858.0.141007-1859.fbl_ppi_CLIENTENTERPRISE_VOL_x64fre_en-us.esd

9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x64fre_ar-sa.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x64fre_en-gb.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x64fre_ja-jp.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x64fre_ko-kr.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x64fre_pt-br.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x64fre_zh-cn.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x86fre_ar-sa.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x86fre_en-gb.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x86fre_ja-jp.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x86fre_ko-kr.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x86fre_pt-br.esd 9859.0.141007-1438.winmain_CLIENTENTERPRISE_VOL_x86fre_zh-cn.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x64fre_ar-sa.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x64fre_en-gb.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x64fre_en-us.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x64fre_ja-jp.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x64fre_ko-kr.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x64fre_pt-br.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x64fre_zh-cn.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x86fre_ar-sa.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x86fre_en-gb.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x86fre_en-us.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x86fre_ja-jp.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x86fre_ko-kr.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x86fre_pt-br.esd 9859.0.141007-1438.winmain_CLIENTPRO_RET_x86fre_zh-cn.esd 9859.0.141007-1853.fbl_mediaplat_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9859.0.141007-1853.fbl_mediaplat_CLIENTENTERPRISE_VOL_x86fre_en-us.esd 9859.0.141007-1929.fbl_lad_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9859.0.141007-1929.fbl_lad_CLIENTENTERPRISE_VOL_x86fre_en-us.esd

9860.0.141008-1935.fbl_mediaplat_CLIENTENTERPRISE_VOL_x64fre_en-us.esd 9860.0.141008-1938.fbl_desk_CLIENTENTERPRISE_VOL_x64fre_en-us.esd

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