Bios Mods -The Best BIOS Update and Modification Source

Hello, I have searched all the threads but have not come across anyone asking for a SLIC for Lenovo z570 to add Windows 7.

If there is a thread where the issue has already been addressed, please accept my apologies and direct me to the correct thread.

Here are the details:

Model and Manufacturer: Lenovo z570
Bios: Phoenix
BIOS Download Link: http://download.lenovo.com/UserFiles/Dri...CN38WW.exe
Bios Version: 45CN83WW (As shown in speccy)
RW-Everything Link: https://app.box.com/s/lpd49tsdst10qluasyw3

Thanks For Helping