This Microsoft Excel 3.0 for Windows upgrade package is a must-have for vintage software collectors. It comes with 3.5 and 5.25 disks and is still sealed, ensuring its authenticity and value. The package was manufactured in the United States and is a great addition to any vintage computing collection. The Microsoft Excel 3.0 for Windows upgrade package is compatible with computers and tablets. It is a vintage software that has stood the test of time and is still relevant today. The package is perfect for those who love collecting vintage manuals and merchandise.