This Compaq Windows 8 System Recovery is a must-have for any HP PRO 3500 3505 3515 user. The 5-disc set provides a comprehensive solution for any Windows 8 64-Bit issue. With a minimum RAM of 8 MB and a minimum hard drive space of 500 MB, this system recovery is perfect for those who need to get their operating system back up and running smoothly. The CD format makes it easy to install and the English language ensures a seamless user experience. This system recovery is a standard license category and is not a custom bundle. It is a great addition to any computer enthusiast's toolkit.