Windows 98 Second Edition (SE) was released by Microsoft in 1999 as an update to Windows 98. It included several enhancements over the original Windows 98, such as better support for USB devices, the FAT32 file system, and improvements in the areas of hardware support and system stability.
By 2007, Microsoft had moved on to Windows Vista, but many users in Latin America and Spain were still reliant on older "Pentium" era machines that couldn't handle modern operating systems. To solve this, independent developers created the 2k7 Final Edition. windows 98 se 2k7 final edition espanol upd
Enhanced Hardware Support: Features improved USB mass storage drivers, allowing many USB flash drives to work without manual driver installation. What is Windows 98 SE
Visual Overhaul: Includes "2K7" branding, custom icons, and themes designed to make the desktop look more like Windows XP or Vista. By 2007, Microsoft had moved on to Windows