Seems that Microsoft started to take links down. KB2919355 download doesn't work anymore. Here's alternative: https://mega.co.nz/#!TQpwWZqL!iNE8vjG4xrqASpDv_wyADTxkbzH2xZG9I5o8lg35Nyw Please update to the OP.
http://www.overclock.net/t/1411500/official-evga-classified-owners-club/0_50Link for Classy tool is on first post. Here: http://www.overclock.net/attachments/21064Downside to this is you have to set voltages with tool every time you restart, there's no automatic service.
All packages installed, works without problems. It's safe. Just remember to install them on order and reboot between each one, might cause problems otherwise.
Here's screenshot I took from the new context menu on start/metro