ms offers a how to take admin or remove also, which is basically the script.
some were used as Beta Testers and from TechNet
by the way I'm 78 so rather young to you old fellows
1.
When you add this line it auto runs as admin
(cd /d "%~dp0")&&(NET FILE||(powershell start-process -FilePath '%0' -verb runas)&&(exit /B)) >NUL 2>&1
2.
Admin CMD in Context Menu.reg
Windows Registry Editor Version 5.00
[-HKEY_CLASSES_ROOT\Directory\shell\runas]
[HKEY_CLASSES_ROOT\Directory\shell\runas]
@="Command Prompt (Admin)"
"HasLUAShield"=""
[HKEY_CLASSES_ROOT\Directory\shell\runas\command]
@="cmd.exe /s /k pushd \"%V\""
[-HKEY_CLASSES_ROOT\Directory\Background\shell\runas]
[HKEY_CLASSES_ROOT\Directory\Background\shell\runas]
3.
1.) Start by pressing Windows Logo Key + X
2.) Select Command Prompt (Admin)
3.) type the following:
net user Administrator /active:yes and press Enter Or Return
To Disable Admin Acct :
net user Administrator /active:no and press Enter Or Return
@="Command Prompt (Admin)"
"HasLUAShield"=""
[HKEY_CLASSES_ROOT\Directory\Background\shell\runas\command]
@="cmd.exe /s /k pushd \"%V\""
[-HKEY_CLASSES_ROOT\Drive\shell\runas]
[HKEY_CLASSES_ROOT\Drive\shell\runas]
@="Command Prompt (Admin)"
"HasLUAShield"=""
[HKEY_CLASSES_ROOT\Drive\shell\runas\command]
@="cmd.exe /s /k pushd \"%V\""
4.
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\*\shell\runas]
@="Take Ownership"
"NoWorkingDirectory"=""
[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]
@="Take Ownership"
"NoWorkingDirectory"=""
[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"