I think it was a common secret: add the file ei.cfg to sources and rebuild ISO [EditionID] CORE [Channel] Retail [VL] 0 .......and why should someone want a core?
I got it on Connect before public release. See the activation date on the screenshot. It's not fake, try it if you don't believe me.
plz help guyz I installed W8RP, after finishing installation it just shut down, then, when i start to choose which system to load W7Ult or W8RP it always loads only W7 by default, why? u cant have 2 system on 1 laptop? even if different partitions C & D local disks? why is it?