Windows 8.1 retail keys and activate your windows as genuine ~ Umyhacker
Windows 8 / 8.1 RTM Pro And WMC Offline Activation RETAIL Keys Key win 8 / 8.1 pro retail win 8 / 8.1 pro Tested on 10-Nov-2013: (Wind8.1 Pro Retail only) slmgr.vbs /ipk NM4RP-37DDT-MGDXQ-R7XT7-RGB9B (Wind8.1 Pro Retail only) slmgr.vbs /ipk FK6XC ......