This listing features Microsoft Windows 98 with a product key and a helpful Getting Started book, perfect for anyone looking to upgrade their operating system. The software is compatible with IBM computers and is in the English language. The format of the software is a book, and it is designed for use on the Windows platform. The operating systems that are supported include Microsoft Windows 98. This product was manufactured in the United States and is listed in the categories of Operating Systems, Software, and Computers/Tablets & Networking.