diff --git a/Installer/AppDelegate.swift b/Installer/AppDelegate.swift
index f9415522..f0dc6e74 100644
--- a/Installer/AppDelegate.swift
+++ b/Installer/AppDelegate.swift
@@ -101,6 +101,7 @@ class AppDelegate: NSWindowController, NSApplicationDelegate {
     window.standardWindowButton(.closeButton)?.isHidden = true
     window.standardWindowButton(.miniaturizeButton)?.isHidden = true
     window.standardWindowButton(.zoomButton)?.isHidden = true
+    window.titlebarAppearsTransparent = true
 
     if FileManager.default.fileExists(
       atPath: kTargetPartialPath)
diff --git a/Installer/Resources/Base.lproj/MainMenu.xib b/Installer/Resources/Base.lproj/MainMenu.xib
index f695105e..ba9f1014 100644
--- a/Installer/Resources/Base.lproj/MainMenu.xib
+++ b/Installer/Resources/Base.lproj/MainMenu.xib
@@ -198,7 +198,7 @@ DQ
                     </textField>
                     <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" setsMaxLayoutWidthAtFirstLayout="YES" translatesAutoresizingMaskIntoConstraints="NO" id="XLb-mv-73s">
                         <rect key="frame" x="89" y="387" width="431" height="15"/>
-                        <textFieldCell key="cell" selectable="YES" title="Placeholder for detailed credits." id="VW8-s5-Wpn">
+                        <textFieldCell key="cell" title="Placeholder for detailed credits." id="VW8-s5-Wpn">
                             <font key="font" size="12" name="Tahoma"/>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
                             <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
@@ -220,7 +220,7 @@ DQ
                         <constraints>
                             <constraint firstAttribute="width" constant="356" id="pu3-zr-hJy"/>
                         </constraints>
-                        <textFieldCell key="cell" selectable="YES" id="Q9M-ni-kUM">
+                        <textFieldCell key="cell" id="Q9M-ni-kUM">
                             <font key="font" size="12" name="Tahoma"/>
                             <string key="title">DISCLAIMER: The vChewing project, having no relationship of cooperation or affiliation with the OpenVanilla project, is not responsible for the phrase database shipped in the original McBopomofo project. Certain geopolitical and ideological contents, which are potentially harmful to the global spread of this software, are not included in vChewing official phrase database.</string>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
diff --git a/Source/Modules/AppDelegate.swift b/Source/Modules/AppDelegate.swift
index 154c0fa9..50a27f92 100644
--- a/Source/Modules/AppDelegate.swift
+++ b/Source/Modules/AppDelegate.swift
@@ -99,6 +99,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDele
     ctlAboutWindowInstance?.window?.center()
     ctlAboutWindowInstance?.window?.orderFrontRegardless()  // 逼著關於視窗往最前方顯示
     ctlAboutWindowInstance?.window?.level = .statusBar
+    ctlAboutWindowInstance?.window?.titlebarAppearsTransparent = true
     NSApp.setActivationPolicy(.accessory)
   }
 
diff --git a/Source/WindowControllers/ctlAboutWindow.swift b/Source/WindowControllers/ctlAboutWindow.swift
index 78a445aa..8d043b06 100644
--- a/Source/WindowControllers/ctlAboutWindow.swift
+++ b/Source/WindowControllers/ctlAboutWindow.swift
@@ -1,5 +1,3 @@
-// (c) 2011 and onwards The OpenVanilla Project (MIT License).
-// All possible vChewing-specific modifications are of:
 // (c) 2021 and onwards The vChewing Project (MIT-NTL License).
 // ====================
 // This code is released under the MIT license (SPDX-License-Identifier: MIT)
diff --git a/Source/WindowNIBs/Base.lproj/frmAboutWindow.xib b/Source/WindowNIBs/Base.lproj/frmAboutWindow.xib
index fa0e959e..a531c46a 100644
--- a/Source/WindowNIBs/Base.lproj/frmAboutWindow.xib
+++ b/Source/WindowNIBs/Base.lproj/frmAboutWindow.xib
@@ -55,7 +55,7 @@
                     </textField>
                     <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" setsMaxLayoutWidthAtFirstLayout="YES" translatesAutoresizingMaskIntoConstraints="NO" id="8M8-3C-BZO">
                         <rect key="frame" x="89" y="387" width="431" height="15"/>
-                        <textFieldCell key="cell" selectable="YES" title="Placeholder for detailed credits." id="lblCredits">
+                        <textFieldCell key="cell" title="Placeholder for detailed credits." id="lblCredits">
                             <font key="font" size="12" name="Tahoma"/>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
                             <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
@@ -77,7 +77,7 @@
                         <constraints>
                             <constraint firstAttribute="width" constant="356" id="B0d-48-3we"/>
                         </constraints>
-                        <textFieldCell key="cell" selectable="YES" id="lblDisclaimer">
+                        <textFieldCell key="cell" id="lblDisclaimer">
                             <font key="font" size="12" name="Tahoma"/>
                             <string key="title">DISCLAIMER: The vChewing project, having no relationship of cooperation or affiliation with the OpenVanilla project, is not responsible for the phrase database shipped in the original McBopomofo project. Certain geopolitical and ideological contents, which are potentially harmful to the global spread of this software, are not included in vChewing official phrase database.</string>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
diff --git a/UserPhraseEditor/AppDelegate.swift b/UserPhraseEditor/AppDelegate.swift
index f023f836..d471b5b8 100644
--- a/UserPhraseEditor/AppDelegate.swift
+++ b/UserPhraseEditor/AppDelegate.swift
@@ -32,6 +32,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     ctlAboutWindowInstance?.window?.center()
     ctlAboutWindowInstance?.window?.orderFrontRegardless()  // 逼著關於視窗往最前方顯示
     ctlAboutWindowInstance?.window?.level = .statusBar
+    ctlAboutWindowInstance?.window?.titlebarAppearsTransparent = true
   }
 
   // Call the New About Window
diff --git a/UserPhraseEditor/Resources/Base.lproj/frmAboutWindow.xib b/UserPhraseEditor/Resources/Base.lproj/frmAboutWindow.xib
index 48d3f54f..91fc6999 100644
--- a/UserPhraseEditor/Resources/Base.lproj/frmAboutWindow.xib
+++ b/UserPhraseEditor/Resources/Base.lproj/frmAboutWindow.xib
@@ -55,7 +55,7 @@
                     </textField>
                     <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" setsMaxLayoutWidthAtFirstLayout="YES" translatesAutoresizingMaskIntoConstraints="NO" id="8M8-3C-BZO">
                         <rect key="frame" x="89" y="372" width="431" height="30"/>
-                        <textFieldCell key="cell" selectable="YES" id="lblCredits">
+                        <textFieldCell key="cell" id="lblCredits">
                             <font key="font" size="12" name="Tahoma"/>
                             <string key="title">vChewing Phrase Editor developed by Shiki Suen.
 vChewing Phrase Database Maintained by Shiki Suen.</string>
@@ -79,7 +79,7 @@ vChewing Phrase Database Maintained by Shiki Suen.</string>
                         <constraints>
                             <constraint firstAttribute="width" constant="356" id="B0d-48-3we"/>
                         </constraints>
-                        <textFieldCell key="cell" selectable="YES" id="lblDisclaimer">
+                        <textFieldCell key="cell" id="lblDisclaimer">
                             <font key="font" size="12" name="Tahoma"/>
                             <string key="title">DISCLAIMER: The vChewing project, having no relationship of cooperation or affiliation with the OpenVanilla project, is not responsible for the phrase database shipped in the original McBopomofo project. Certain geopolitical and ideological contents, which are potentially harmful to the global spread of this software, are not included in vChewing official phrase database.</string>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
diff --git a/UserPhraseEditor/ctlAboutWindow.swift b/UserPhraseEditor/ctlAboutWindow.swift
index 0d520a1f..9f6ed90e 100644
--- a/UserPhraseEditor/ctlAboutWindow.swift
+++ b/UserPhraseEditor/ctlAboutWindow.swift
@@ -1,5 +1,3 @@
-// (c) 2011 and onwards The OpenVanilla Project (MIT License).
-// All possible vChewing-specific modifications are of:
 // (c) 2021 and onwards The vChewing Project (MIT-NTL License).
 // ====================
 // This code is released under the MIT license (SPDX-License-Identifier: MIT)