F1 launches about/help.

WifiSitterGui/MainWindow.xaml

@@ -13,7 +13,7 @@
         SizeToContent="Height"
         MinHeight="450"
         Height="600" 
-        Width="525">
+        Width="525" KeyUp="MainWindow_KeyUp">
 
     <Window.DataContext>
         <vm:MainWindowViewModel/>

WifiSitterGui/MainWindow.xaml.cs

@@ -42,5 +42,17 @@ namespace WifiSitterGui
             if (vis == null) return;
             if (!vis.IsDescendantOf(WhitelistExpander)) WhitelistExpander.IsExpanded = false;
         }
+
+        private void MainWindow_KeyUp(object sender, KeyEventArgs e) {
+            if (_about == null) {
+                _about = new WifiSitterGui.View.About();
+                _about.Closed += (s, args) => { _about = null; };
+                _about.Show();
+            }
+            else {
+                _about.WindowState = WindowState.Normal;
+                _about.Activate();
+            }
+        }
     }
 }