How to rename Windows 10 boot option name and change default OS?

If you run multiple OSes to separate work, play and music, then renaming your OS options will help a ton more than “Windows 10 partition 1” , “Windows 10 partition 2” and “Windows 10 partition 3”.

To change the default OS to boot

1. Open msconfig
2. Select Boot tab
3. Pick the OS in the list, and “Set as Default”

 

To change the names of the options:

1. Run “cmd” or command prompt with Administrative privileges.
2. Run “bcdedit”
3. You will see a list of particles and each with the “Windows Boot Loader” heading.
4. Find the identifier of the OS you want to edit. i.e. “{current}” or “{b56096d4-9ad0-11e8-9158-daa89f8dd4f4}”
5. Run bcdedit /set {current} description “A-NAME-I-LIKE”

 

Some reference:

https://winaero.com/blog/how-to-rename-the-os-in-windows-10-boot-menu/