copy the text in this link
>>41045986then save it in a notepad as prod.keys only
don't save it as prod.keys.txt
when you do that successfully, prod.keys file will display as keys file in the type section of file explorer
save this file in: C:\Users\"your username"\AppData\Roaming\yuzu\keys
title.keys_autogenerated will be generated automatically in the same folder
you can run both .xci and .nsp files in yuzu
make sure you create a proper folder to store these rom files in some drive other than C if you have storage issues
once you open yuzu, you can get the option to set the game directory. make the folder where you stored .xci and .nsp roms as your game directory. if the roms are genuine and healthy, you will be able to see icon and title key