diff --git a/application/basilisk/components/preferences/in-content/advanced.js b/application/basilisk/components/preferences/in-content/advanced.js
index 6330d34633..e481042cce 100644
--- a/application/basilisk/components/preferences/in-content/advanced.js
+++ b/application/basilisk/components/preferences/in-content/advanced.js
@@ -11,6 +11,8 @@ const PREF_UPLOAD_ENABLED = "datareporting.healthreport.uploadEnabled";
 
 var gAdvancedPane = {
   _inited: false,
+  _shouldPromptForE10sRestart: true,
+  _storedE10sEnabled: false,
 
   /**
    * Brings the appropriate tab to the front and initializes various bits of UI.
@@ -77,6 +79,10 @@ var gAdvancedPane = {
                      gAdvancedPane.showSecurityDevices);
     setEventListener("cacheSize", "change",
                      gAdvancedPane.updateCacheSizePref);
+    setEventListener("e10sEnabled", "command",
+             gAdvancedPane.updateE10sCheckbox);
+
+    this._storedE10sEnabled = document.getElementById("e10sEnabled").checked;
 
     if (AppConstants.MOZ_WIDGET_GTK) {
       // GTK tabbox' allow the scroll wheel to change the selected tab,
@@ -170,6 +176,50 @@ var gAdvancedPane = {
     return 0;
   },
 
+  readE10sEnabled: function ()
+  {
+    let autostart = document.getElementById("browser.tabs.remote.autostart").value;
+    let trialAutostart = document.getElementById("browser.tabs.remote.autostart.2").value;
+    return !!(autostart || trialAutostart);
+  },
+
+  writeE10sEnabled: function ()
+  {
+    let enabled = document.getElementById("e10sEnabled").checked;
+    document.getElementById("browser.tabs.remote.autostart.2").value = enabled;
+    return enabled;
+  },
+
+  updateE10sCheckbox: function ()
+  {
+    let checkbox = document.getElementById("e10sEnabled");
+    let enabled = checkbox.checked;
+
+    if (enabled == this._storedE10sEnabled) {
+      return;
+    }
+
+    if (!this._shouldPromptForE10sRestart) {
+      return;
+    }
+
+    let buttonIndex = confirmRestartPrompt(enabled, 1, true, false);
+    if (buttonIndex == CONFIRM_RESTART_PROMPT_RESTART_NOW) {
+      document.getElementById("browser.tabs.remote.autostart").value = enabled;
+      document.getElementById("browser.tabs.remote.autostart.2").value = enabled;
+      let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"]
+                         .getService(Ci.nsIAppStartup);
+      appStartup.quit(Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart);
+      return;
+    }
+
+    this._shouldPromptForE10sRestart = false;
+    checkbox.checked = this._storedE10sEnabled;
+    document.getElementById("browser.tabs.remote.autostart").value = this._storedE10sEnabled;
+    document.getElementById("browser.tabs.remote.autostart.2").value = this._storedE10sEnabled;
+    this._shouldPromptForE10sRestart = true;
+  },
+
   /**
    * security.OCSP.enabled is an integer value for legacy reasons.
    * A value of 1 means OCSP is enabled. Any other value means it is disabled.
diff --git a/application/basilisk/components/preferences/in-content/advanced.xul b/application/basilisk/components/preferences/in-content/advanced.xul
index 89572111db..5637c619b5 100644
--- a/application/basilisk/components/preferences/in-content/advanced.xul
+++ b/application/basilisk/components/preferences/in-content/advanced.xul
@@ -46,6 +46,12 @@
   <preference id="layout.spellcheckDefault"
               name="layout.spellcheckDefault"
               type="int"/>
+  <preference id="browser.tabs.remote.autostart"
+              name="browser.tabs.remote.autostart"
+              type="bool"/>
+  <preference id="browser.tabs.remote.autostart.2"
+              name="browser.tabs.remote.autostart.2"
+              type="bool"/>
 
   <!-- Network tab -->
   <preference id="browser.cache.disk.capacity"
@@ -177,6 +183,12 @@
                   onsyncfrompreference="return gAdvancedPane.readCheckSpelling();"
                   onsynctopreference="return gAdvancedPane.writeCheckSpelling();"
                   preference="layout.spellcheckDefault"/>
+        <checkbox id="e10sEnabled"
+                  label="&e10sEnabled.label;"
+                  accesskey="&e10sEnabled.accesskey;"
+                  onsyncfrompreference="return gAdvancedPane.readE10sEnabled();"
+                  onsynctopreference="return gAdvancedPane.writeE10sEnabled();"
+                  preference="browser.tabs.remote.autostart"/>
       </groupbox>
     </tabpanel>
 
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/advanced.dtd b/application/basilisk/locales/en-US/chrome/browser/preferences/advanced.dtd
index b4986fa371..57723d92b7 100644
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/advanced.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/preferences/advanced.dtd
@@ -27,6 +27,8 @@
 <!ENTITY allowHWAccel.accesskey          "r">
 <!ENTITY checkSpelling.label             "Check my spelling as I type">
 <!ENTITY checkSpelling.accesskey         "t">
+<!ENTITY e10sEnabled.label               "Enable multi-process &brandShortName; (requires restart)">
+<!ENTITY e10sEnabled.accesskey           "E">
 
 <!ENTITY dataChoicesTab.label            "Data Choices">