Downloading paid games for free is illegal.
If you already own the game, there is no legitimate NSP file to “extract” for sharing — but if you’re looking to back up your legally purchased copy, tools like (on a hacked Switch) can dump your own cartridge or digital title into NSP/NSZ format for personal backup use. aca neogeo the king of fighters 97 switch nsp 2021
With a roster of approximately 30 characters and multiple team endings, it offers significant replay value for fighting game enthusiasts. Downloading paid games for free is illegal