If you’re seeking the game to play in Spanish, your best bet is to buy a physical PAL Spanish copy (e.g., from Spain) and play it on an original N64 or a compatible emulator (using your own dumped ROM).
Disclaimer: This content is for informational purposes. The legality of downloading ROMs varies by country. Generally, you are only legally permitted to download ROMs for games you physically own. conker bad fur day rom espanol n64 romsmania better link
– That site is known for fake download buttons, adware, and risky .exe files instead of clean ROMs. If you’re seeking the game to play in