Registry
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge]
"InPrivateModeAvailability"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome]
"IncognitoModeAvailability"=dword:00000001
CMD
@echo off
REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Edge" /v InPrivateModeAvailability /t REG_DWORD /d 1 /f
PS1
$Path = "HKLM:\SOFTWARE\Policies\Microsoft\Edge"
$Name = "InPrivateModeAvailability"
$Value = 1
New-Item -Path $Path -Force
New-ItemProperty -Path $Path -Name $Name -Value $Value -PropertyType DWORD -Force
확장 프로그램
아래 확장 프로그램 설치 - 옵션 - inprivate 모드 허용
참고
https://www.androidpolice.com/disable-incognito-mode-chrome-edge-safari/