Check the listing for details. Dell Windows 7 Pro SP1 64-Bit Operating System Reinstallation DVD Disc. Condition: Brand New, Made in China. Listed at 14.99 USD. This Dell Windows 7 Pro SP1 64-Bit Operating System Reinstallation DVD Disc is the perfect solution for those who need to reinstall their operating system. The DVD format ensures easy installation, and the English language makes it user-friendly. This operating system is compatible with Windows and is a standard license category. The unit type is a single unit, and the country/region of manufacture is China. The operating system has a model number of 0KJX6D and requires an unknown minimum RAM and processor speed. It also requires an unknown minimum hard drive space and is suitable for an unlimited number of devices. This Dell operating system is a great choice for those who want to reinstall their system without any hassle.