Microsoft Edge on Windows
- Select Start and type CMD.
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Right-click Command Prompt and select Run as administrator.
The Command Prompt window appears
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To disable Run BrowserGuest mode REG ADD HKLM\SOFTWARE\Policies\Microsoft\Edge /v BrowserGuestModeEnabled /t REG_DWORD /d 0InPrivate mode REG ADD HKLM\SOFTWARE\Policies\Microsoft\Edge /v InPrivateModeAvailability /t REG_DWORD /d 1