diff --git a/AddInManager/App.config b/AddInManager/App.config
index 26e0202..3224a05 100644
--- a/AddInManager/App.config
+++ b/AddInManager/App.config
@@ -1,7 +1,7 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <configSections>
-        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
             <section name="RevitAddinManager.Properties.App" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
         </sectionGroup>
     </configSections>
@@ -16,6 +16,12 @@
             <setting name="ThemName" serializeAs="String">
                 <value>Default</value>
             </setting>
+            <setting name="AppLeft" serializeAs="String">
+                <value>0</value>
+            </setting>
+            <setting name="AppTop" serializeAs="String">
+                <value>0</value>
+            </setting>
         </RevitAddinManager.Properties.App>
     </userSettings>
 </configuration>
\ No newline at end of file
diff --git a/AddInManager/Model/ProcessManager.cs b/AddInManager/Model/ProcessManager.cs
index 2b5dad3..6f8d9ef 100644
--- a/AddInManager/Model/ProcessManager.cs
+++ b/AddInManager/Model/ProcessManager.cs
@@ -17,7 +17,7 @@ public static class ProcessManager
         public static void SetRevitAsWindowOwner(this Window window)
         {
             if (null == window) { return; }
-            window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
+            window.WindowStartupLocation = WindowStartupLocation.Manual;
             WindowInteropHelper helper = new WindowInteropHelper(window);
             helper.Owner = GetActivateWindow();
             window.Loaded += delegate { FrmControl.IsOpened = true; };
diff --git a/AddInManager/Properties/App.Designer.cs b/AddInManager/Properties/App.Designer.cs
index 07dee16..9ba9c1b 100644
--- a/AddInManager/Properties/App.Designer.cs
+++ b/AddInManager/Properties/App.Designer.cs
@@ -1,7 +1,6 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -12,7 +11,7 @@ namespace RevitAddinManager.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.4.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.9.0.0")]
     internal sealed partial class App : global::System.Configuration.ApplicationSettingsBase {
         
         private static App defaultInstance = ((App)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new App())));
@@ -58,5 +57,29 @@ public string ThemName {
                 this["ThemName"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("0")]
+        public double AppLeft {
+            get {
+                return ((double)(this["AppLeft"]));
+            }
+            set {
+                this["AppLeft"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("0")]
+        public double AppTop {
+            get {
+                return ((double)(this["AppTop"]));
+            }
+            set {
+                this["AppTop"] = value;
+            }
+        }
     }
 }
diff --git a/AddInManager/Properties/App.settings b/AddInManager/Properties/App.settings
index 3e8293f..e28bc87 100644
--- a/AddInManager/Properties/App.settings
+++ b/AddInManager/Properties/App.settings
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='utf-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)" GeneratedClassNamespace="RevitAddinManager.Properties" GeneratedClassName="App">
   <Profiles />
   <Settings>
@@ -11,5 +11,12 @@
     <Setting Name="ThemName" Type="System.String" Scope="User">
       <Value Profile="(Default)">Default</Value>
     </Setting>
+    <Setting Name="AppLeft" Type="System.Double" Scope="User">
+      <Value Profile="(Default)">0</Value>
+    </Setting>
+    <Setting Name="AppTop" Type="System.Double" Scope="User">
+      <Value Profile="(Default)">0</Value>
+    </Setting>
   </Settings>
-</SettingsFile>
\ No newline at end of file
+</SettingsFile>
+
diff --git a/AddInManager/View/FrmAddInManager.xaml b/AddInManager/View/FrmAddInManager.xaml
index 2b68cbb..398c73b 100644
--- a/AddInManager/View/FrmAddInManager.xaml
+++ b/AddInManager/View/FrmAddInManager.xaml
@@ -16,10 +16,13 @@
     d:DataContext="{d:DesignInstance viewModel:AddInManagerViewModel}"
     d:DesignHeight="600"
     d:DesignWidth="400"
+    Closed="OnCloseApp"
     FocusManager.FocusedElement="{Binding ElementName=tbxSearch}"
     Icon="../Resources/dev.ico"
+    Left="{model:SettingBinding AppLeft}"
     PreviewKeyDown="CloseFormEvent"
     SizeChanged="FrmSizeChanged"
+    Top="{model:SettingBinding AppTop}"
     mc:Ignorable="d">
     <Window.Resources>
         <ResourceDictionary>
diff --git a/AddInManager/View/FrmAddInManager.xaml.cs b/AddInManager/View/FrmAddInManager.xaml.cs
index 25fb386..b9ff6e7 100644
--- a/AddInManager/View/FrmAddInManager.xaml.cs
+++ b/AddInManager/View/FrmAddInManager.xaml.cs
@@ -22,7 +22,6 @@ public FrmAddInManager(AddInManagerViewModel vm)
         ThemManager.ChangeThem(true);
         Title += DefaultSetting.Version;
     }
-
     private void TbxDescription_OnLostKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
     {
         if (viewModel.MAddinManagerBase.ActiveCmdItem != null && TabControl.SelectedIndex == 0)
@@ -158,4 +157,11 @@ private  DispatcherTimer Debounce(DispatcherTimer dispatcher, TimeSpan interval,
 
         return dispatcher;
     }
+
+    private void OnCloseApp(object sender, EventArgs e)
+    {
+        Properties.App.Default.AppLeft = Left;
+        Properties.App.Default.AppTop = Top;
+        Properties.App.Default.Save();
+    }
 }
\ No newline at end of file
diff --git a/AddInManager/ViewModel/AddInManagerViewModel.cs b/AddInManager/ViewModel/AddInManagerViewModel.cs
index c95224c..6142c0a 100644
--- a/AddInManager/ViewModel/AddInManagerViewModel.cs
+++ b/AddInManager/ViewModel/AddInManagerViewModel.cs
@@ -24,6 +24,8 @@ public class AddInManagerViewModel : ViewModelBase
     public AssemLoader AssemLoader { get; set; }
     public int AppWidth { get; set; } = 400;
     public int AppHeight { get; set; } = 600;
+    public int AppLeft { get; set; } = 0;
+    public int AppTop { get; set; } = 0;
     public AddinManagerBase MAddinManagerBase { get; set; }
 
     private ObservableCollection<AddinModel> commandItems;