| **[`DisableSystemAddonUpdate`](#disablesystemaddonupdate)** | Prevent system add-ons from being installed or update.
| **[`DisableTelemetry`](#disabletelemetry)** | DisableTelemetry
| **[`DisplayBookmarksToolbar`](#displaybookmarkstoolbar)** | Set the initial state of the bookmarks toolbar.
-| **[`DisplayMenuBar`](#displaymenubar)** | Set the initial state of the menubar
+| **[`DisplayMenuBar`](#displaymenubar)** | Set the initial state of the menubar.
| **[`DNSOverHTTPS`](#dnsoverhttps)** | Configure DNS over HTTPS.
| **[`DontCheckDefaultBrowser`](#dontcheckdefaultbrowser)** | Don't check if Firefox is the default browser at startup.
+| **[`DefaultDownloadDirectory`](#defaultdownloaddirectory)** | Set the default download directory.
+| **[`DownloadDirectory`](#downloaddirectory)** | Set and lock the download directory.
| **[`EnableTrackingProtection`](#enabletrackingprotection)** | Configure tracking protection.
| **[`Extensions`](#extensions)** | Control the installation, uninstallation and locking of extensions.
| **[`ExtensionUpdate`](#extensionupdate)** | Control extension updates.
| **[`Permissions`](#permissions)** | Set permissions associated with camera, microphone, location, and notifications.
| **[`PopupBlocking`](#popupblocking)** | Configure the default pop-up window policy as well as origins for which pop-up windows are allowed.
| **[`Preferences`](#preferences)** | Set and lock some preferences.
+| **[`PromptForDownloadLocation`](#promptfordownloadlocation)** | Ask where to save each file before downloading.
| **[`Proxy`](#proxy)** | Configure proxy settings.
| **[`RequestedLocales`](#requestedlocales)** | Set the the list of requested locales for the application in order of preference.
| **[`SanitizeOnShutdown` (All)](#sanitizeonshutdown-all)** | Clear all data on shutdown.
}
}
```
+### DefaultDownloadDirectory
+Set the default download directory.
+
+You can use ${home} for the native home directory.
+
+**Compatibility:** Firefox 68, Firefox ESR 68\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `browser.download.dir`,`browser.download.folderList`
+
+#### Windows
+```
+Software\Policies\Mozilla\Firefox\DefaultDownloadDirectory = "${home}\Downloads"
+```
+#### macOS
+```
+<dict>
+ <key>DefaultDownloadDirectory</key>
+ <string>${home}/Downloads</string>
+</dict>
+```
+#### JSON
+```
+{
+ "policies": {
+ "DefaultDownloadDirectory": "${home}/Downloads"
+}
+```
+### DownloadDirectory
+Set and lock the download directory.
+
+You can use ${home} for the native home directory.
+
+**Compatibility:** Firefox 68, Firefox ESR 68\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `browser.download.dir`,`browser.download.folderList`,`browser.download.useDownloadDir`
+
+#### Windows
+```
+Software\Policies\Mozilla\Firefox\DownloadDirectory = "${home}\Downloads"
+```
+#### macOS
+```
+<dict>
+ <key>DownloadDirectory</key>
+ <string>${home}/Downloads</string>
+</dict>
+```
+#### JSON
+```
+{
+ "policies": {
+ "DownloadDirectory": "${home}/Downloads"
+}
+```
### EnableTrackingProtection
Configure tracking protection.
```
{
"policies": {
- "OverrideFirstRunPage": ""http://example.org""
+ "OverrideFirstRunPage": "http://example.org"
}
```
### OverridePostUpdatePage
```
{
"policies": {
- "OverridePostUpdatePage": ""http://example.org""
+ "OverridePostUpdatePage": "http://example.org"
}
```
### Permissions
}
}
```
+### PromptForDownloadLocation
+Ask where to save each file before downloading.
+
+**Compatibility:** Firefox 68, Firefox ESR 68\
+**CCK2 Equivalent:** N/A
+**Preferences Affected:** `browser.download.useDownloadDir`
+
+#### Windows
+```
+Software\Policies\Mozilla\Firefox\PromptForDownloadLocation = 0x1 | 0x0
+```
+#### macOS
+```
+<dict>
+ <key>PromptForDownloadLocation</key>
+ <true/> | <false/>
+</dict>
+```
+#### JSON
+```
+{
+ "policies": {
+ "PromptForDownloadLocation": true | false
+ }
+}
+```
### Proxy
Configure proxy settings. These settings correspond to the connection settings in Firefox preferences.
To specify ports, append them to the hostnames with a colon (:).