First download a Nero burn software, after installation, turn on Nero, choose to copy DVD, it will require you to put in the disc you need to copy, you will be in your burning optical drive in the CD to be copied, there are two ways to burn: One is copied after the direct burning to a blank disc, One is to create a mirrored file first and then burn it.
First, put the disc you want to copy, the software has an option "Destination optical drive", this "destination optical drive" selects the letter of the burner, the same as the "source optical drive", and then the next step, it starts copying the disc, when it copies the contents of the disc to the temporary storage of the computer, and after the copy is done, Click OK to automatically eject the optical drive, and ask you to put a blank disc, you take out the copied disc and then put in a blank DVD disc. Then the next step, until the burn is complete.
The second, after you put the disc you want to copy, "Destination optical Drive Select the" image "option, and then point to copy, it will prompt you to the image of the save path, you choose to save on any disk on the hard drive, preferably larger space, at least 4.7GB. Then it starts copying the content to create the mirrored file. When you are finished creating, remove the disc, turn off the software, select the "Burn image to Disc" in Nero, and then it prompts you to enter a mirrored address, select the image you just created, and then next, put a blank DVD disc, and then the next step, again, until the burn is complete.