To update your Windows 10 boot image I used a program called HackBGRT. This will allow you to change your boot logo using a UEFI bios. Make sure you don't have secure boot enabled or it might break things so take this as a precautionary and don't blame if you mess things up.
HackBGRT can be found here: https://github.com/Metabolix/HackBGRT/releases
Startup Sound was changed using WinAero's Startup Sound Changer which is now being used in WinAero's Tweaker Software which can be found here: https://winaero.com/comment.php?comment.news.12