Step 1: Run DVD-Cloner and select the "Combine multiple DVDs to one DVD±R DL or BD-R(DL)" copy mode on the Expert interface.
Step 2: Specify the source DVD disc and the target DVD burner and then click on "Next".
Note: You can also select a source DVD movie from the hard disk.
Step 3: Select the "Combine two DVDs to one DVD±R DL" option and then click on "Next".
Step 4: Select a menu background, change the background picture (If you don't change the background picture, it will use the default picture.) and define the disc volumes and then click on "Next".