Info: https://aka.ms/14379wip
Changelog: http://changewindows.org/build/14379/desktop
CryptoKey for build 14379: http://pastebin.com/PttugGFG
ESD Decrypter (credit rgadguard): http://rg-adguard.net/dl/decrypt/decrypt-release.7z
MS temp ESD links
Spoiler
Pro x64 en-us
http://tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/314a68ce-7f1b-4ac3-9dae-d73dac50e948?P1=1467360061&P2=301&P3=2&P4=3mAGezpBvkd5pHr2Qnse6N77eyl2m6p5JbVKLrS4eaQ%3d
Pro x64 es-es
http://tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/e43f9ee2-0351-45b2-a04d-8e09efe99199?P1=1467360406&P2=301&P3=2&P4=foOTcjtwd6BF3B%2bIIriFF1TQdVsdvUYQ9YYRCVTnwhE%3d
Education x64 es-es
http://tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/92b6d233-0b14-4465-83ed-19969561d0e8?P1=1467365025&P2=301&P3=2&P4=CfI%2bvv5s6mdhYqtmeGp6SNxcpFLGi8p5JuglYhQi7uE%3d
LangPack for Windows 10 build 14379.0.rs1_release (credit rgadguard)
Spoiler
20 ESDs EN-RU (credit WZorNET)