The software that displays and prints Adobe Acrobat documents (PDF files). Adobe Acrobat Reader is available free for Windows, Mac, Linux, Android and iOS. Since its 1993 introduction, more than a billion copies of the program have been downloaded. Its official name is Adobe Acrobat Reader DC (Document Cloud). The DC means that cloud features are available for users with the paid Acrobat Standard or Pro software. See
Acrobat.