Typically to obtain a replacement installation CD, it requires either contacting the manufacturer of the software or downloading replacement installation files from the Internet if they are available. The exact method to replace an installation CD depends on what software it is.
As of 2015, for example, Adobe offers download replacement installers for older Adobe products such as Creative Suite up through CS6 and Acrobat up through version XI. Replacement installers require the serial number of the program. More current software requires contacting Adobe customer service to purchase a replacement disc.
Dell can send consumers one set of backup discs per system purchased. It requires providing Dell with the computer's service tag.
Microsoft Office may have a downloadable replacement on its website, provided a user has a valid product key. If a downloadable replacement is not available, users can contact the Microsoft Order Desk via phone to order replacement CDs.