To perform this operation you need to select the location of the source image file (use the button Select... located near by the image description), then to press the Convert to... button. You can then set desired name for new image file in the file selection dialog that's displayed and press the button OK.
Warning: Ensure your hard drive has enough free space. For DVD, HD-DVD or Blu-Ray image converting, the file system on hard drive has to support files with sizes exceeding 4GB (JFS).
Advanced users also can query technical information about source image via pressing the Analyze button.