When users search for a "ROM" (or more accurately, an or NSP file for the Nintendo Switch), they are usually looking for a digital backup of the game.
Never download a "ROM" that ends in .exe or .msi . Genuine Switch game files will always be .nca , .nsp , or .xci . Conclusion
One of the main perks of using an emulator is the ability to upscaled the game to 4K, making the cel-shaded art style pop like never before. A Word on Safety and Legality
For those interested in emulation via software like or Ryujinx , having a clean dump of your legally purchased game is the gold standard. Emulation Performance: Can You Play It?
It includes every map, character, and weapon from both the Wii U and 3DS versions.
The ability to switch between characters on the fly (a feature missing from the original Wii U release) is fully implemented here. Understanding the Hyrule Warriors: Definitive Edition ROM
If you are looking to run a Hyrule Warriors: Definitive Edition ROM on a PC, you'll need a relatively beefy setup. Because "Warriors" games (Musou) feature hundreds of enemies on screen at once, the CPU demand is high.
The only 100% safe and legal way to obtain a ROM for this game is to "dump" it yourself from your own Nintendo Switch console using custom firmware (CFW).