Once extracted, you should see an .nsp file. This is the actual update file.

Right-click the file and select or Extract to folder .

This specific file is an Update , not the base game. You must have the base version of Splatoon 3 already installed for this to work.

A tool that supports .rar archives, like 7-Zip or WinRAR . 2. Extracting the File

Spltoon3-(usa)-nswtch-nsp-update121-ziperto.rar -

Once extracted, you should see an .nsp file. This is the actual update file.

Right-click the file and select or Extract to folder . SPLTOON3-(USA)-NSwTcH-NSP-Update121-Ziperto.rar

This specific file is an Update , not the base game. You must have the base version of Splatoon 3 already installed for this to work. Once extracted, you should see an

A tool that supports .rar archives, like 7-Zip or WinRAR . 2. Extracting the File SPLTOON3-(USA)-NSwTcH-NSP-Update121-Ziperto.rar