I am the person that will be helping you today.
You can do that by clicking "File > Open" in the top menu bar. In the left pane, choose your computer and then choose the DVD drive. At that point, you can locate the file and click Open.
I look forward to hearing your feedback concerning whether or not your problem is fixed.
I hope to hear back that all is working. If this is so, please do not forget to rate my help on the top of this page (choose the number of stars and click the Submit button). If it is not, please respond below.
I will be standing by,Jason