diff --git a/docs/api/system-preferences.md b/docs/api/system-preferences.md
index 41f9f5328f12..e4753eff35d1 100644
--- a/docs/api/system-preferences.md
+++ b/docs/api/system-preferences.md
@@ -43,7 +43,7 @@ Returns:
 
 ## Methods
 
-### `systemPreferences.isDarkMode()` _macOS_
+### `systemPreferences.isDarkMode()` _macOS_ _Windows_
 
 Returns `Boolean` - Whether the system is in Dark Mode.
 
diff --git a/shell/browser/api/atom_api_system_preferences.cc b/shell/browser/api/atom_api_system_preferences.cc
index a5193ff17d78..0f51e6036295 100644
--- a/shell/browser/api/atom_api_system_preferences.cc
+++ b/shell/browser/api/atom_api_system_preferences.cc
@@ -10,6 +10,7 @@
 #include "shell/common/node_includes.h"
 #include "ui/gfx/animation/animation.h"
 #include "ui/gfx/color_utils.h"
+#include "ui/native_theme/native_theme.h"
 
 namespace electron {
 
@@ -30,7 +31,7 @@ SystemPreferences::~SystemPreferences() {
 
 #if !defined(OS_MACOSX)
 bool SystemPreferences::IsDarkMode() {
-  return false;
+  return ui::NativeTheme::GetInstanceForNativeUi()->SystemDarkModeEnabled();
 }
 #endif