Display Menu Bar: registry value DisplayMenuBar (DisplayMenuBar_Enum)UserHKCU\Software\Policies\Mozilla\Firefox

Policy ID
DisplayMenuBar_Enum
Scope
Computer Configuration, User Configuration
Supported on
Firefox 73 or later, Firefox 68.5 ESR or later
Source
Mozilla Firefox Policy Templates (version 8.3)
Category
Mozilla › Firefox

Registry

DisplayMenuBar

REG_SZUserComputer
Enabled value
Depends on the option value
Element
-
Options
ItemStored value
Alwaysalways
Nevernever
On by defaultdefault-on
Off by defaultdefault-off
Apply with .reg · CMD · PowerShell
UserPer-account setting
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Mozilla\Firefox]

; Options (use only one)
; Always
"DisplayMenuBar"="always"
; Never
"DisplayMenuBar"="never"
; On by default
"DisplayMenuBar"="default-on"
; Off by default
"DisplayMenuBar"="default-off"
CMD
:: Options (use only one)

:: Always
reg add "HKCU\Software\Policies\Mozilla\Firefox" /v "DisplayMenuBar" /t REG_SZ /d "always" /f
:: Never
reg add "HKCU\Software\Policies\Mozilla\Firefox" /v "DisplayMenuBar" /t REG_SZ /d "never" /f
:: On by default
reg add "HKCU\Software\Policies\Mozilla\Firefox" /v "DisplayMenuBar" /t REG_SZ /d "default-on" /f
:: Off by default
reg add "HKCU\Software\Policies\Mozilla\Firefox" /v "DisplayMenuBar" /t REG_SZ /d "default-off" /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Mozilla\Firefox' -Force | Out-Null

# Options (use only one)
# Always
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox' -Name 'DisplayMenuBar' -PropertyType String -Value 'always' -Force | Out-Null
# Never
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox' -Name 'DisplayMenuBar' -PropertyType String -Value 'never' -Force | Out-Null
# On by default
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox' -Name 'DisplayMenuBar' -PropertyType String -Value 'default-on' -Force | Out-Null
# Off by default
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox' -Name 'DisplayMenuBar' -PropertyType String -Value 'default-off' -Force | Out-Null
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Mozilla\Firefox]

; Options (use only one)
; Always
"DisplayMenuBar"="always"
; Never
"DisplayMenuBar"="never"
; On by default
"DisplayMenuBar"="default-on"
; Off by default
"DisplayMenuBar"="default-off"
CMD
:: Options (use only one)

:: Always
reg add "HKLM\Software\Policies\Mozilla\Firefox" /v "DisplayMenuBar" /t REG_SZ /d "always" /f
:: Never
reg add "HKLM\Software\Policies\Mozilla\Firefox" /v "DisplayMenuBar" /t REG_SZ /d "never" /f
:: On by default
reg add "HKLM\Software\Policies\Mozilla\Firefox" /v "DisplayMenuBar" /t REG_SZ /d "default-on" /f
:: Off by default
reg add "HKLM\Software\Policies\Mozilla\Firefox" /v "DisplayMenuBar" /t REG_SZ /d "default-off" /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Mozilla\Firefox' -Force | Out-Null

# Options (use only one)
# Always
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox' -Name 'DisplayMenuBar' -PropertyType String -Value 'always' -Force | Out-Null
# Never
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox' -Name 'DisplayMenuBar' -PropertyType String -Value 'never' -Force | Out-Null
# On by default
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox' -Name 'DisplayMenuBar' -PropertyType String -Value 'default-on' -Force | Out-Null
# Off by default
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox' -Name 'DisplayMenuBar' -PropertyType String -Value 'default-off' -Force | Out-Null