On Windows, hactool often looks in %USERPROFILE%/.switch/ . Creating this folder and placing the keys inside can solve the problem globally. Step 3: Use the Command Line Argument
The error "hactool prod.keys does not exist" is almost always a file location or naming issue. By now, you should understand: hactool prod.keys does not exist
The prod.keys file is a plain-text file containing cryptographic keys unique to the Nintendo Switch console. These keys include: On Windows, hactool often looks in %USERPROFILE%/