Notebook lenovo ideapad g40-70 (g4070) full hardware support for ms windows 7 (32/64-bit) / windows 8 / windows 8.1 (64-bit), so it is recommended to use it as the main system. the published set of drivers present versions for microsoft windows 7 (32/64-bit) / windows 8 / windows 8.1 (64-bit).. Download drivers for windows 7 / windows 8 / windows 8.1 (32/64-bit)