Another angle: maybe the user found such files and needs help extracting or using them. Providing technical guidance on using emulators with RAR files, extracting them into the appropriate directories, and running the software could be part of the answer. However, I must avoid offering assistance with illegal file sharing.
Potential follow-up steps: Clarify if the user is looking for general information on PC-98, how to use FDI/HDIs, or legal resources for PC-98 software. Also, mention the legal implications and encourage respecting copyright. pc98 fdi hdi collection 3 rar
So, the user might be looking for a specific collection of FDIs and HDIs for PC-98, which are disk images used for running PC-98 software. They might be interested in emulating these files to play on an emulator like PC-98 Emu or run classic games and software. Another angle: maybe the user found such files