You can also use separate partitions to dual-boot Windows 11 alongside another operating system, or use them to encrypt sensitive files and data.

But I wouldn't touch them other then moving the 560MB to the end. Because that'll make windows throw a complete fit and you'd have to do a recovery boot.

To change default hard drive from C: to D: in Windows 11/10, change the default save location for apps and files, move user ...