I can help, but I need to confirm intent: are you asking for an informational write-up about the game Fire Emblem: Three Houses (e.g., overview, features, platforms, gameplay, release) — or are you asking for instructions or information about obtaining an NSP file (Nintendo Switch ROM) from 1fichier or similar file-hosting sites?
: You can install NSP files directly to your Switch’s internal storage or microSD card using homebrew installers like Tinfoil or Goldleaf . fire emblem three houses nsp 1fichier id better