can anyone pointing me on how to install AppleSMBios and make it work?
Download the the .kext version you want now it most probably went into your home Downloads directory so open your main OSX partition in finder click on your User_Name in the left of the window. Then double click on the Downloads folder do the same again on the zipped .kext to have it uncompressed. Look at the left pane again go there to click on the Applications folder scroll down until you can double click on the Utilities folder again scroll down until you can double click on the Terminal application when it opens put in this series of commands.
Type in the password you set for your account then hit the enter key.
mv /System/Library/Extensions/AppleSMBIOS.kext /System/Library/Extensions/AppleSMBIOS.kext.backup cp -R ~/Downloads/AppleSMBIOS.kext /System/Library/Extensions/ chown -R 0:0 /System/Library/Extensions/AppleSMBIOS.kext chmod -R 755 /System/Library/Extensions/AppleSMBIOS.kext diskutil repairPermissions / rm -r /System/Library/Extensions/Caches rm -r /System/Library/Extensions.mkext rm -r /System/Library/Caches
Now you reboot hitting the F8 when the OS starts when at the EFI boot menu that comes up do the hit any key it suggest and type in then hit the enter key -f to force the reload of all the .kext on the system if all went well then the new .kext you installed will be in use.