The Switched-On Schoolhouse 5th Grade curriculum is a comprehensive homeschooling program that covers English, science, history/geography and Bible, This CD-based software training/IT tutorials offers a structured and interactive learning experience for students in 5th grade. The Switched-On Schoolhouse brand ensures high-quality educational content.These are non returnable, as software can be copied.Please do your research to know how to operate these *as they are no longer supported by SOS. Message me and I can tell you how to use these as far as downloading them onto your PC. Thanks and have a great homeschooling adventure!