Playing DS Games on PC: Emulation Guide (DeSmuME, melonDS, Legal Requirements)

Native play: impossible. Use an emulator:

Top Emulators

• DeSmuME – Most compatible, active development, Windows/macOS/Linux. desmume.org
• melonDS – High accuracy, local wireless (experimental), great UI. melonds.kuribo64.net
• Dolphin – Primarily GC/Wii; DS mode via "DSiWare" is experimental.

Requirements

• BIOS & Firmware: Dump from your own DS/DSi (legal).
• ROMs: Dump from your own cartridges (legal). Downloading = piracy.
• Specs: Any dual-core CPU + 2 GB RAM runs most games full speed.

Alternatives

• Nintendo Switch Online + Expansion Pack – Official DS library (growing).
• Flashcarts (R4, Ace3DS) – Play on real DS/3DS hardware.

Emulate responsibly—own the games.