新建注册表 reg 文件输入命令：
Windows Registry Editor Version 5.00 [-HKEY_CLASSES_ROOTDirectoryshell unas] [HKEY_CLASSES_ROOTDirectoryshell unas] @="Open command window here as Administrator" "HasLUAShield"="" [HKEY_CLASSES_ROOTDirectoryshell unascommand] @="cmd.exe /s /k pushd "%V"" [-HKEY_CLASSES_ROOTDirectoryBackgroundshell unas] [HKEY_CLASSES_ROOTDirectoryBackgroundshell unas] @="Open command window here as Administrator" "HasLUAShield"="" [HKEY_CLASSES_ROOTDirectoryBackgroundshell unascommand] @="cmd.exe /s /k pushd "%V"" [-HKEY_CLASSES_ROOTDriveshell unas] [HKEY_CLASSES_ROOTDriveshell unas] @="Open command window here as Administrator" "HasLUAShield"="" [HKEY_CLASSES_ROOTDriveshell unascommand] @="cmd.exe /s /k pushd "%V"" [-HKEY_CLASSES_ROOTLibraryFolderackgroundshell unas] [HKEY_CLASSES_ROOTLibraryFolderackgroundshell unas] "HasLUAShield"="" @="Open command window here as Administrator" [HKEY_CLASSES_ROOTLibraryFolderackgroundshell unascommand]
双击 写入注册表
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嫌名字长，可以，在代码里改了，或者安装后进入注册表再修改数据值
计算机HKEY_CLASSES_ROOTDirectoryBackgroundshell unas
ps,默认的shift 右键非管理员打开cmd 也可以删除 extend 项就 右键就显示出来了。
卸载删除：
Windows Registry Editor Version 5.00 [-HKEY_CLASSES_ROOTDirectoryshell unas] [-HKEY_CLASSES_ROOTDirectoryBackgroundshell unas] [-HKEY_CLASSES_ROOTDriveshell unas] [-HKEY_CLASSES_ROOTLibraryFolderackgroundshell unas] ~