Settings File
The settings file path for Lyricify 4 is %AppData%/Lyricify/Lyricify for Spotify/settings.json.
You can also find the Open button for the Settings File at the bottom of the Settings page.
After editing, you can click the Load button to immediately load the settings into Lyricify.
For a detailed introduction to each item in the Lyricify 4 settings file, you can refer to this example: settings.json
If you want to migrate the entire configuration to another device, you can refer to Configuration File Migration.