Because ISE 9.2i is critical for legacy hardware (like Spartan-3 or XC9500 CPLDs) but officially unsupported on modern Windows, "repacks" or community patches are often used:

For certain educational or "repack" versions where official registration might be difficult, the following IDs have been historically used for the ISE WebPack 9.2i WebPack Product ID PWB871040113 Common Registration ID 4803 7101 1103 1230 Important Installation Notes Operating System Support : ISE 9.2i was designed for Windows XP and Vista. It is not supported

Need help regarding installation of xilinx 9.2i in windows 7 64 bit

The is a permanent code required for installation of the legacy ISE Design Suite version 9.2i, which does not use the modern FlexLM license file system found in newer versions like 14.7.