diff --git a/Source/AppDelegate.h b/Source/AppDelegate.h
index 5e3de301..8825051e 100644
--- a/Source/AppDelegate.h
+++ b/Source/AppDelegate.h
@@ -33,6 +33,7 @@
 //
 
 #import <Cocoa/Cocoa.h>
+#import "frmAboutWindow.h"
 
 @class PreferencesWindowController;
 
@@ -44,11 +45,13 @@
     NSMutableData *_receivingData;
     NSURL *_updateNextStepURL;
     PreferencesWindowController *_preferencesWindowController;
+    frmAboutWindow *_aboutWindowController;
 }
 
 - (void)checkForUpdate;
 - (void)checkForUpdateForced:(BOOL)forced;
 - (void)showPreferences;
+- (void)showAbout;
 
 @property (weak, nonatomic) IBOutlet NSWindow *window;
 @end
diff --git a/Source/AppDelegate.m b/Source/AppDelegate.m
index 245441c4..0f1a0d5e 100644
--- a/Source/AppDelegate.m
+++ b/Source/AppDelegate.m
@@ -55,6 +55,7 @@ static const NSTimeInterval kTimeoutInterval = 60.0;
 - (void)dealloc
 {
     _preferencesWindowController = nil;
+    _aboutWindowController = nil;
     _updateCheckConnection = nil;
 }
 
@@ -274,9 +275,17 @@ static const NSTimeInterval kTimeoutInterval = 60.0;
     return YES;
 }
 
+- (void)showAbout {
+    if (!_aboutWindowController) {
+        _aboutWindowController = [[frmAboutWindow alloc] initWithWindowNibName:@"frmAboutWindow"];
+    }
+    [[_aboutWindowController window] center];
+    [[_aboutWindowController window] orderFrontRegardless];
+}
+
 - (IBAction) about:(id)sender {
-    // Show the window:
-    [[frmAboutWindow defaultController] showWithSender:self];
+    [(AppDelegate *)[NSApp delegate] showAbout];
+    [[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
 }
 
 @end
diff --git a/Source/Base.lproj/frmAboutWindow.xib b/Source/Base.lproj/frmAboutWindow.xib
index bef94b49..4940e6a5 100644
--- a/Source/Base.lproj/frmAboutWindow.xib
+++ b/Source/Base.lproj/frmAboutWindow.xib
@@ -16,10 +16,12 @@
         </customObject>
         <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
         <customObject id="-3" userLabel="Application" customClass="NSObject"/>
-        <window title="About vChewing for macOS" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" tabbingMode="disallowed" titlebarAppearsTransparent="YES" id="ttlAboutWindow">
-            <windowStyleMask key="styleMask" titled="YES" texturedBackground="YES"/>
+        <window title="About vChewing for macOS" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" animationBehavior="default" tabbingMode="disallowed" titlebarAppearsTransparent="YES" id="ttlAboutWindow">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES"/>
             <rect key="contentRect" x="196" y="240" width="533" height="430"/>
-            <rect key="screenRect" x="0.0" y="0.0" width="1920" height="1055"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="1600" height="875"/>
+            <value key="minSize" type="size" width="533" height="430"/>
+            <value key="maxSize" type="size" width="533" height="430"/>
             <view key="contentView" id="se5-gp-TjO">
                 <rect key="frame" x="0.0" y="0.0" width="533" height="430"/>
                 <autoresizingMask key="autoresizingMask"/>
@@ -49,16 +51,13 @@
                                     <color key="insertionPointColor" name="textColor" catalog="System" colorSpace="catalog"/>
                                 </textView>
                             </subviews>
-                            <connections>
-                                <binding destination="CaN-wP-mkf" name="hidden" keyPath="values" id="Vgn-ZH-3hq"/>
-                            </connections>
                         </clipView>
                         <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="YES" id="sfo-oN-iBH">
                             <rect key="frame" x="-100" y="-100" width="240" height="16"/>
                             <autoresizingMask key="autoresizingMask"/>
                         </scroller>
-                        <scroller key="verticalScroller" wantsLayer="YES" verticalHuggingPriority="750" horizontal="NO" id="X6W-MB-JfO">
-                            <rect key="frame" x="410" y="1" width="16" height="176"/>
+                        <scroller key="verticalScroller" wantsLayer="YES" verticalHuggingPriority="750" controlSize="mini" horizontal="NO" id="X6W-MB-JfO">
+                            <rect key="frame" x="412" y="1" width="14" height="176"/>
                             <autoresizingMask key="autoresizingMask"/>
                         </scroller>
                     </scrollView>
@@ -67,7 +66,7 @@
                         <constraints>
                             <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="119" id="eiH-Q0-Ud8"/>
                         </constraints>
-                        <textFieldCell key="cell" lineBreakMode="clipping" title="vChewing for macOS" id="lblAppTitle">
+                        <textFieldCell key="cell" lineBreakMode="clipping" title="vChewing for macOS" id="lblAppTitle" userLabel="appNameLabel">
                             <font key="font" metaFont="cellTitle"/>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
                             <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
@@ -103,7 +102,8 @@
                         <textFieldCell key="cell" selectable="YES" id="lblCredits">
                             <font key="font" metaFont="cellTitle"/>
                             <string key="title">McBopomofo Engine by Mengjuei Hsieh, Lukhnos Liu, Zonble Yang, et al.
-vChewing macOS Development Reinforced by Hiraku Wang.
vChewing Phrase Database Maintained by Shiki Suen.</string>
+vChewing macOS Development Reinforced by Hiraku Wang.
+vChewing Phrase Database Maintained by Shiki Suen.</string>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
                             <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                         </textFieldCell>
@@ -131,6 +131,9 @@ vChewing macOS Development Reinforced by Hiraku Wang.
vChewing Phrase Database
 DQ
 </string>
                         </buttonCell>
+                        <connections>
+                            <action selector="performClose:" target="-1" id="0yK-v8-KQd"/>
+                        </connections>
                     </button>
                     <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" setsMaxLayoutWidthAtFirstLayout="YES" translatesAutoresizingMaskIntoConstraints="NO" id="d81-Fe-uNT">
                         <rect key="frame" x="13" y="21" width="379" height="83"/>
diff --git a/Source/InputMethodController.h b/Source/InputMethodController.h
index 7cb01be8..c595c7af 100644
--- a/Source/InputMethodController.h
+++ b/Source/InputMethodController.h
@@ -38,6 +38,7 @@
 #import "Gramambular.h"
 #import "FastLM.h"
 #import "UserOverrideModel.h"
+#import "frmAboutWindow.h"
 
 @interface vChewingInputMethodController : IMKInputController
 {
diff --git a/Source/InputMethodController.mm b/Source/InputMethodController.mm
index 1a985214..b7e0ca49 100644
--- a/Source/InputMethodController.mm
+++ b/Source/InputMethodController.mm
@@ -39,7 +39,6 @@
 #import "OVStringHelper.h"
 #import "OVUTF8Helper.h"
 #import "AppDelegate.h"
-#import "frmAboutWindow.h"
 #import "VTHorizontalCandidateController.h"
 #import "VTVerticalCandidateController.h"
 #import "vChewing-Swift.h"
@@ -1327,7 +1326,9 @@ static double FindHighestScore(const vector<NodeAnchor>& nodes, double epsilon)
 
 - (void)showAbout:(id)sender
 {
-    [[frmAboutWindow defaultController] showWithSender:sender];
+    // show the About window, and also make the IME app itself the focus
+    [(AppDelegate *)[NSApp delegate] showAbout];
+    [[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
 }
 
 - (void)toggleChineseConverter:(id)sender
diff --git a/Source/frmAboutWindow.m b/Source/frmAboutWindow.m
index e90a969b..e2bdf392 100644
--- a/Source/frmAboutWindow.m
+++ b/Source/frmAboutWindow.m
@@ -60,27 +60,26 @@
 - (void) windowDidLoad {
     
     [super windowDidLoad];
-
+    [self.window standardWindowButton:NSWindowCloseButton].hidden = true;
+    [self.window standardWindowButton:NSWindowMiniaturizeButton].hidden = true;
+    [self.window standardWindowButton:NSWindowZoomButton].hidden = true;
     [self updateInfo];
-
-    // If you add more custom subviews to display additional information about
-    // your app, configure them here
 }
 
 - (void) updateInfo {
-    NSDictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
+
+    NSString *installingVersion = [[[NSBundle mainBundle] infoDictionary] objectForKey:(id)kCFBundleVersionKey];
+    NSString *versionString = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"];
+
     NSDictionary* localizedInfoDictionary = [[NSBundle mainBundle] localizedInfoDictionary];
     
     self.appNameLabel.stringValue      = [localizedInfoDictionary objectForKey:@"CFBundleName"];
-    self.appVersionLabel.stringValue   = [infoDictionary objectForKey:@"CFBundleShortVersionString"];
+    self.appVersionLabel.stringValue   = [NSString stringWithFormat:@"%@ Build %@", versionString, installingVersion];
     self.appCopyrightLabel.stringValue = [localizedInfoDictionary objectForKey:@"NSHumanReadableCopyright"];
     self.appEULAContent.string = [localizedInfoDictionary objectForKey:@"CFEULAContent"];
 }
 
 - (void) showWithSender:(id)sender {
-    // FIXME: updating the strings every time is a temporary workaround
-    [self updateInfo];
-    [self.window orderFront:sender];
 }
 
 @end