I finally got this installed on my computer. After booting I get around 8 little windows of errors. They all are 'System Extension can't be used' system extension '/System/Library/EXtensions/ALCinject.kex' try reinstalling it. The other errors similar to this are LaptopDisplay.kext, Apple AzaliaAudio.kext, NVinjectGo.kext, Natit.kext, IOHDAudioFamily.kext, Apple Azalia Controller.kext.

What do I do to correct this?

MY specs are down below!