It needs four steps to update IDT High Definition Audio Codec:
Step1:click "Start Download" to launch the SmartPCFixer on your computer.
Step2:Run the software after the "File Download" dialog box pops up.
Step3:Choose the language to use during the installation maybe English or others you like.
Step4:Click the SmartPCFixer icon on desktop to scan your windows and download the IDT High Definition Audio Codec driver for you.
If your IDT High Definition Audio Codec driver are not he latest version, you may be prompted to update it.Choose SmartPCFixer, it can help you.Besides, it can solve other computer problems like fixing driver irql error and update other computer program like windows media player updating.