The first step to changing your Windows 10 startup sound is disabling fast boot. We’ll show you how to do it, step by step. However, to change the startup sound, you will need to download a third-party app. The first thing you need to do is to switch off the fast boot option, after which you will be able to enable the startup sound. When you complete these steps, you will be able to change the Windows 10 startup sound. Since the startup sound is automatically switched off, there are a couple of steps you need to take first to enable this option. One of the major differences between Windows 10 and the previous Microsoft Windows operating systems is the startup sound, or rather, the lack of it. That’s why it might be confusing for users who haven’t gotten used to their new Windows yet. With every system update, the settings section in the control panel is updated too. So, if you want to set a custom tune to play every time you turn on your computer, first you need to enable the startup sound option. The startup sound is actually disabled by default. If you’re wondering why there is no startup sound when you turn on your Windows 10 system, the answer is simple.