BCDEdit 

C:\Users\san>BCDEditWindows 启动管理器
--------------------
标识符                  {bootmgr}
device                  partition=\Device\HarddiskVolume1
path                    \EFI\Microsoft\Boot\bootmgfw.efi
description             Windows Boot Manager
locale                  zh-CN
inherit                 {globalsettings}
default                 {default}
resumeobject            {75991e2e-8ded-11ef-a5f9-e75de809e01d}
displayorder            {default}{current}
toolsdisplayorder       {memdiag}
timeout                 30Windows 启动加载器
-------------------
标识符                  {default}
device                  partition=F:
path                    \WINDOWS\system32\winload.efi
description             Windows 10
locale                  zh-CN
inherit                 {bootloadersettings}
recoverysequence        {1fcf93b3-8def-11ef-9885-c727e38ec2ca}
displaymessageoverride  Recovery
recoveryenabled         Yes
isolatedcontext         Yes
allowedinmemorysettings 0x15000075
osdevice                partition=F:
systemroot              \WINDOWS
resumeobject            {75991e2e-8ded-11ef-a5f9-e75de809e01d}
nx                      OptIn
bootmenupolicy          StandardWindows 启动加载器
-------------------
标识符                  {current}
device                  partition=C:
path                    \Windows\system32\winload.efi
description             Windows
locale                  zh-CN
inherit                 {bootloadersettings}
isolatedcontext         Yes
allowedinmemorysettings 0x15000075
osdevice                partition=C:
systemroot              \Windows
resumeobject            {492f0b5e-8ded-11ef-b536-cc463874822b}
nx                      OptIn
bootmenupolicy          Legacy

修改系统名称

https://jingyan.baidu.com/article/22a299b5223ecc9e19376a11.html

标识符是default ，系统名称从 Windows 10改为hk

bcdedit /set {default} description "hk"

结果： 

C:\Users\san>bcdedit /set {default} description "hk"
操作成功完成。

 标识符{current} ，系统名称从 Windows 改为Windows 10

结果：

C:\Users\san>bcdedit /set {current} description "Windows 10"
操作成功完成。C:\Users\san>