What is Windows 98 SE?
Windows 98 SE is the second edition of the Microsoft Windows 98 operating system (OS). (The previous version is simply called Windows 98.) Unlike newer releases of the Windows 95 OS, which was only available pre-installed on new PCs, Windows 98 SE was made available for sale to the general public. It included updates, system files, device drivers, and security updates to the previous edition of Windows 98.