First thing you need to do is go to this site:
HP C733TU Downloads
Select your operating system and you will be taken to a page with available downloads.
I will assume that you are using Vista.
Click on the file under "Driver - Audio".
This will take you to the download page. On here click on the file name or the "Download Only" button.
When the download window opens, select Save. Save the file to a place where you know how to access it after the download. To make it easy, save it to your desktop.
After the download, run (double-click) the file on your desktop and the file will install.
If you have any trouble, just comment back.
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