右键添加管理员获得所有权限

Windows Registry Editor Version 5.00 

[HKEY_CLASSES_ROOT*shell
unas] 

@="管理员授权" 

 "NoWorkingDirectory"=""  

[HKEY_CLASSES_ROOT*shell
unascommand] 

 @="cmd.exe /c takeown /f "%1" && icacls "%1" /grant administrators:F" 

 "IsolatedCommand"="cmd.exe /c takeown /f "%1" && icacls "%1" /grant

 administrators:F"  

[HKEY_CLASSES_ROOTexefileshell
unas2] 

@="管理员授权" 

 "NoWorkingDirectory"=""  

[HKEY_CLASSES_ROOTexefileshell
unas2command] 

 @="cmd.exe /c takeown /f "%1" && icacls "%1" /grant administrators:F" 

 "IsolatedCommand"="cmd.exe /c takeown /f "%1" && icacls "%1" /grant 

administrators:F"  

[HKEY_CLASSES_ROOTDirectoryshell
unas]

 @="管理员授权"  

"NoWorkingDirectory"=""  

[HKEY_CLASSES_ROOTDirectoryshell
unascommand] 

 @="cmd.exe /c takeown /f "%1" /r /d y && icacls "%1" /grant administrators:F /t"

 "IsolatedCommand"="cmd.exe /c takeown /f "%1" /r /d y && icacls "%1" /grant

 administrators:F /t"

1.新建一个a.txt，保存如上代码。 
2.修改扩展名为 .reg 
3.运行a.reg