How do I make sure my kaspad.bat file isn't secretly named kaspad.bat.txt?

Windows can hide file extensions by default, so a file you name kaspad.bat may actually be saved as kaspad.bat.txt — which will not run as a batch file. To check, open File Explorer, go to the View menu, and enable 'File name extensions' so the full name is always visible before you rename anything. For a Kaspa node setup, getting this wrong means your batch file will never execute, and your node won't start — confirming the real extension is a quick step that prevents a frustrating mystery.