windows怎么开启取管理员权限

windows10为什么登录的是管理员却不能修改文件

把下面内容复制到reg文件里保存，然后双击reg文件导入

Windows Registry Editor Version 5.00


;右键添加管理员

[HKEY_CLASSES_ROOT\*\shell\runas]
@="管理员取得所有权"
"NoWorkingDirectory"=""
"Icon"="%SystemRoot%\\System32\\shell32.dll,244"

[HKEY_CLASSES_ROOT\*\shell\runas\Command]
@="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_ROOT\Directory\shell\runas]
@="管理员取得所有权"
"Icon"="%SystemRoot%\\System32\\shell32.dll,244"

[HKEY_CLASSES_ROOT\Directory\shell\runas\Command]
@="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"


[HKEY_CLASSES_ROOT\Drive\shell\runas]
@="管理员取得所有权"
"Icon"="%SystemRoot%\\System32\\shell32.dll,244"

[HKEY_CLASSES_ROOT\Drive\shell\runas\Command]
@="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"


[HKEY_CURRENT_USER\SOFTWARE\Classes\*\shell\runas]
@="管理员取得所有权"
"Icon"="%SystemRoot%\\System32\\shell32.dll,244"

[HKEY_CURRENT_USER\SOFTWARE\Classes\*\shell\runas\Command]
@="cmd.exe /c takeown /f \"%1\" && icacls \"%1\" /grant administrators:F"
"IsolatedCommand"="cmd.exe /c takeown /f \"%1\" && icacls \"%1\" /grant administrators:F"


[HKEY_CURRENT_USER\SOFTWARE\Classes\Directory\shell\runas]
@="管理员取得所有权"
"Icon"="%SystemRoot%\\System32\\shell32.dll,244"

[HKEY_CURRENT_USER\SOFTWARE\Classes\Directory\shell\runas\Command]
@="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"


[HKEY_CURRENT_USER\SOFTWARE\Classes\Drive\shell\runas]
@="管理员取得所有权"
"Icon"="%SystemRoot%\\System32\\shell32.dll,244"

[HKEY_CURRENT_USER\SOFTWARE\Classes\Drive\shell\runas\Command]
@="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"


[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\TakeAuthority]
@="管理员取得所有权"
"Icon"="%SystemRoot%\\System32\\shell32.dll,244"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\TakeAuthority\Command]
@="cmd.exe /c takeown /f \"%1\" && icacls \"%1\" /grant administrators:F"