The following steps will help you to crop your video.
1. Click Add Files or Load DVD to load the source video into the software.
2. Click on the Edit button on the right side of the thumbnail.
3. Go to the Adjust tab to set the video cropping.
In the Cropping window you will notice eight small boxed around the dashed rectangle. Dragging these boxes will adjust the rectangle and allow you to choose what area to keep, as the part outside of the rectangle is what will be removed. You can also click on the Aspect Ratio to set the size of what you will crop out of the video.
The following video will help guide you if necessary: http://youtu.be/9vBEv2BTAgg
Tip: Once you have clicked on the Crop button, you will also get the option to input the resolution manually. If you choose to not go ahead with the crop that you have set, then click the Cancel button. To save your settings, click on the OK button.