You're looking for a 100% save file for Mega Man X8 on PC. Here are some details:
C:\Users\<YourUsername>\AppData\Local\Mega Man X8\Saved Games
The save file for Mega Man X8 on PC is usually located in:
C:\Program Files (x86)\Mega Man X8\Saved Games
or
If you're having trouble finding a 100% save file, you can try using a cheat code or trainer to help you progress through the game.