Do this it's very simple and it's work 10000000% open a cmd
at administrateur and do this
" Slui.exe" a window appaire and do this ahhhh and disable your internet connexion .And if you want to do an update when it's acctivated just do it very simple no hack no spy
windows 8.1 pro 9431 : key NTTX3-RV7VB-T7X7F-WQYYY-9Y92F
Windows 8 PRO/ENT : key 2C9ND-V2GFR-RR4YD-QB4DR-JHRDP
Windows 8.1 RTM Pro: key : NQKMW-9W8DM-2P6V6-H4C3V-HXH3H
Windows 8.1 RTM Pro WMC : key : 9B83P-VDFNT-MMRKG-7JVD9-DYFFQ
all key works
" Slui.exe" a window appaire and do this ahhhh and disable your internet connexion .And if you want to do an update when it's acctivated just do it very simple no hack no spy
windows 8.1 pro 9431 : key NTTX3-RV7VB-T7X7F-WQYYY-9Y92F
Windows 8 PRO/ENT : key 2C9ND-V2GFR-RR4YD-QB4DR-JHRDP
Windows 8.1 RTM Pro: key : NQKMW-9W8DM-2P6V6-H4C3V-HXH3H
Windows 8.1 RTM Pro WMC : key : 9B83P-VDFNT-MMRKG-7JVD9-DYFFQ
all key works