How to create Windows 8.1 with Bing installation media?

I've read somewhere that I can modify a Windows 8.1 Core image so that it could be installed as Windows 8.1 with Bing and activated with my Lenovo G50-70's BIOS key. It has something to do with this: link

But I can't make it out what should I do. Would someone please give me a detailed, step-by-step description of it?


Solution 1:

The US English install media for Windows 8.1 CoreConnected (aka “Windows with Bing”) have leaked and are available on bittorrent. Unfortunately, other langueges do not seem to be available (yet?).