You can copy a CD to another CD or to your computer for backup or easy access. Here's how to use ImgBurn to copy a CD.
How to Copy a Copyprotected CD: 8 Steps (with Pictures) - wikiHow
How to Copy a Copyprotected CD: 8 Steps (with Pictures) - wikiHow
Copy CD, DVD, or Blu-ray disc
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gBurner - Burn Audio CD
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How to Copy a CD on Windows 10 with Windows Media Player
Burn files and folders to CD, DVD, or Blu-ray disc
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How to Burn Cd in Windows 10 Without Any Software?
Copy CD to computer: Windows 10, Windows Media Player