This Adobe Acrobat 9 Standard CD and Key/Serial Number is a must-have for anyone in need of document management software. With a minimum RAM of 256 MB and a minimum hard drive space of 2 GB, this software is perfect for Windows operating systems. The CD format and English language make it easy to install and use. This unit comes with a key/serial number and is categorized as Office & Business, Software, and Computers/Tablets & Networking. The Adobe Systems brand and Document Management type make it a reliable and efficient choice for any business or personal need. This unit quantity is one and is licensed for standard use.