diff --git a/src/core/framelesshelpercore.qrc b/src/core/framelesshelpercore.qrc
index ef68a8d..af9ba55 100644
--- a/src/core/framelesshelpercore.qrc
+++ b/src/core/framelesshelpercore.qrc
@@ -1,7 +1,5 @@
 <RCC>
     <qresource prefix="/org.wangwenx190.FramelessHelper">
-        <file>resources/fonts/Segoe Fluent Icons.ttf</file>
-        <file>resources/fonts/Segoe MDL2 Assets.ttf</file>
         <file>resources/fonts/Micon.ttf</file>
     </qresource>
 </RCC>
diff --git a/src/core/framelessmanager.cpp b/src/core/framelessmanager.cpp
index 58d7d5f..d0731de 100644
--- a/src/core/framelessmanager.cpp
+++ b/src/core/framelessmanager.cpp
@@ -59,37 +59,26 @@ Q_GLOBAL_STATIC(FramelessManagerHelper, g_helper)
 
 Q_GLOBAL_STATIC(FramelessManager, g_manager)
 
-FRAMELESSHELPER_STRING_CONSTANT2(IconFontResourcePrefix, ":/org.wangwenx190.FramelessHelper/resources/fonts/")
-FRAMELESSHELPER_STRING_CONSTANT2(IconFontFileName_win11, "Segoe Fluent Icons.ttf")
-FRAMELESSHELPER_STRING_CONSTANT2(IconFontFileName_win, "Segoe MDL2 Assets.ttf")
-FRAMELESSHELPER_STRING_CONSTANT2(IconFontFileName_unix, "Micon.ttf")
+FRAMELESSHELPER_STRING_CONSTANT2(IconFontFilePath, ":/org.wangwenx190.FramelessHelper/resources/fonts/Micon.ttf")
 FRAMELESSHELPER_STRING_CONSTANT2(IconFontFamilyName_win11, "Segoe Fluent Icons")
-FRAMELESSHELPER_STRING_CONSTANT2(IconFontFamilyName_win, "Segoe MDL2 Assets")
-FRAMELESSHELPER_STRING_CONSTANT2(IconFontFamilyName_unix, "micon_nb")
+FRAMELESSHELPER_STRING_CONSTANT2(IconFontFamilyName_win10, "Segoe MDL2 Assets")
+FRAMELESSHELPER_STRING_CONSTANT2(IconFontFamilyName_common, "micon_nb")
 static constexpr const int kIconFontPointSize = 8;
 
-[[nodiscard]] static inline QString iconFontFilePath()
-{
-    static const QString result = []() -> QString {
-#ifdef Q_OS_WINDOWS
-        static const bool isWin11OrGreater = Utils::isWindowsVersionOrGreater(WindowsVersion::_11_21H2);
-        return (kIconFontResourcePrefix + (isWin11OrGreater ? kIconFontFileName_win11 : kIconFontFileName_win));
-#else
-        return (kIconFontResourcePrefix + kIconFontFileName_unix);
-#endif
-    }();
-    return result;
-}
-
 [[nodiscard]] static inline QString iconFontFamilyName()
 {
     static const QString result = []() -> QString {
 #ifdef Q_OS_WINDOWS
         static const bool isWin11OrGreater = Utils::isWindowsVersionOrGreater(WindowsVersion::_11_21H2);
-        return (isWin11OrGreater ? kIconFontFamilyName_win11 : kIconFontFamilyName_win);
-#else
-        return kIconFontFamilyName_unix;
+        if (isWin11OrGreater) {
+            return kIconFontFamilyName_win11;
+        }
+        static const bool isWin10OrGreater = Utils::isWindowsVersionOrGreater(WindowsVersion::_10_1507);
+        if (isWin10OrGreater) {
+            return kIconFontFamilyName_win10;
+        }
 #endif
+        return kIconFontFamilyName_common;
     }();
     return result;
 }
@@ -132,9 +121,9 @@ void FramelessManagerPrivate::initializeIconFont()
     }
     inited = true;
     initResource();
-    const int id = QFontDatabase::addApplicationFont(iconFontFilePath());
+    const int id = QFontDatabase::addApplicationFont(kIconFontFilePath);
     if (id < 0) {
-        qWarning() << "Failed to load icon font:" << iconFontFilePath();
+        qWarning() << "Failed to load icon font:" << kIconFontFilePath;
     } else {
         qDebug() << "Successfully registered icon font:" << QFontDatabase::applicationFontFamilies(id);
     }
@@ -261,7 +250,8 @@ void FramelessManagerPrivate::initialize()
 #endif
 }
 
-FramelessManager::FramelessManager(QObject *parent) : QObject(parent), d_ptr(new FramelessManagerPrivate(this))
+FramelessManager::FramelessManager(QObject *parent) :
+    QObject(parent), d_ptr(new FramelessManagerPrivate(this))
 {
 }
 
diff --git a/src/core/resources/fonts/Segoe Fluent Icons.ttf b/src/core/resources/fonts/Segoe Fluent Icons.ttf
deleted file mode 100644
index 8f05a4b..0000000
Binary files a/src/core/resources/fonts/Segoe Fluent Icons.ttf and /dev/null differ
diff --git a/src/core/resources/fonts/Segoe MDL2 Assets.ttf b/src/core/resources/fonts/Segoe MDL2 Assets.ttf
deleted file mode 100644
index 066f108..0000000
Binary files a/src/core/resources/fonts/Segoe MDL2 Assets.ttf and /dev/null differ
diff --git a/src/core/utils.cpp b/src/core/utils.cpp
index 5faff8b..782c125 100644
--- a/src/core/utils.cpp
+++ b/src/core/utils.cpp
@@ -38,8 +38,8 @@ using namespace Global;
 
 struct FONT_ICON
 {
-    quint32 win = 0;
-    quint32 unix = 0;
+    quint32 segoe = 0;
+    quint32 micon = 0;
 };
 
 static const QHash<int, FONT_ICON> g_fontIconsTable = {
@@ -123,16 +123,22 @@ Qt::Edges Utils::calculateWindowEdges(const QWindow *window, const QPoint &pos)
 
 QString Utils::getSystemButtonIconCode(const SystemButtonType button)
 {
-    if (!g_fontIconsTable.contains(static_cast<int>(button))) {
+    const auto index = static_cast<int>(button);
+    if (!g_fontIconsTable.contains(index)) {
         qWarning() << "FIXME: Add FONT_ICON value for button" << button;
         return {};
     }
-    const FONT_ICON icon = g_fontIconsTable.value(static_cast<int>(button));
+    const FONT_ICON icon = g_fontIconsTable.value(index);
 #ifdef Q_OS_WINDOWS
-    return QChar(icon.win);
-#else
-    return QChar(icon.unix);
+    // Windows 11: Segoe Fluent Icons (https://docs.microsoft.com/en-us/windows/apps/design/style/segoe-fluent-icons-font)
+    // Windows 10: Segoe MDL2 Assets (https://docs.microsoft.com/en-us/windows/apps/design/style/segoe-ui-symbol-font)
+    // Windows 7~8.1: Micon (http://xtoolkit.github.io/Micon/)
+    static const bool isWin10OrGreater = isWindowsVersionOrGreater(WindowsVersion::_10_1507);
+    if (isWin10OrGreater) {
+        return QChar(icon.segoe);
+    }
 #endif
+    return QChar(icon.micon);
 }
 
 QWindow *Utils::findWindow(const WId windowId)