A CD, or compact disc, is a digital optical disc that is used to store digital data. CDs were introduced in 1982 and became popular in the 1990s. They have since been replaced by digital downloads and streaming services.

CDs can be damaged by scratches, fingerprints, and dirt. If the CD is not cleaned, the data on it may become corrupted.

There are several ways to clean a CD. One is to use a CD cleaner, which is a special cloth or brush that is designed to clean CDs. Another is to use a window cleaner or a glass cleaner. …