You can find and download the complete collection of Windows startup sounds across several dedicated archives:
: A comprehensive library offering high-quality MP3 and WAV files for almost every Windows version, including Windows 98, XP, and 7. melodiia zapuska windows skachat
: Provides a categorized list of startup and shutdown melodies available for free online listening and download. How to Change or Enable Startup Sounds You can find and download the complete collection
Once you have downloaded your preferred .wav file, here is how you can use it: including Windows 98
Watch these guides to learn how to enable or fully customize your Windows startup melody: YouTube · Александр Кайнара