Nintendo has been notoriously aggressive regarding TotK. In the weeks leading up to its May 2023 launch, they issued thousands of DMCA takedowns for NSP links. The reason? TotK was the most pirated Switch game of the year, largely because the NSP was leaked two weeks before the street date.
If you are looking at an NSP file for TotK, you will need a just to breathe. The "Sigpatches" Reality Here is where the conversation gets technical (and slightly grey). A stock Nintendo Switch cannot run an NSP file unless it is signed with Nintendo’s private encryption key. zelda: tears of the kingdom nsp
For the homebrew and emulation community to play Tears of the Kingdom via an NSP, the console must be "custom firmware" (CFW) ready, usually Atmosphere. This requires —small patches that bypass the signature checks. Nintendo has been notoriously aggressive regarding TotK