This Microsoft Works 9 Installation CD 9.0 Dell Reinstallation CD comes with an authenticity envelope Microsoft Seal. It is perfect for those who need to reinstall the software on their Windows operating system. The CD is in the format of a physical disc and is suitable for use with various models of Microsoft Works 9.0. The brand of the software is Microsoft and it falls under the category of Office Software Suites in the Computers/Tablets & Networking section. This CD is a great way to ensure that you have the latest version of Microsoft Works 9.0 installed on your system.