diff --git a/CompressH265.csproj b/CompressH265.csproj
index f495d22..9379aad 100644
--- a/CompressH265.csproj
+++ b/CompressH265.csproj
@@ -7,7 +7,7 @@
         <ProjectGuid>{880679DC-D0C5-4B1A-ADF4-8AA06B738BB5}</ProjectGuid>
         <OutputType>WinExe</OutputType>
         <RootNamespace>CompressH265</RootNamespace>
-        <AssemblyName>CompressH265</AssemblyName>
+        <AssemblyName>LazyCompressH265</AssemblyName>
         <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
         <FileAlignment>512</FileAlignment>
         <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
diff --git a/Form1.Designer.cs b/Form1.Designer.cs
index 2e639d3..b0e74c4 100644
--- a/Form1.Designer.cs
+++ b/Form1.Designer.cs
@@ -73,6 +73,7 @@
             this.linkLabel1.TabIndex = 4;
             this.linkLabel1.TabStop = true;
             this.linkLabel1.Text = "https://github.com/louislam";
+            this.linkLabel1.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.linkLabel1_LinkClicked);
             // 
             // buttonContextMenu
             // 
@@ -97,6 +98,7 @@
             this.Controls.Add(this.button1);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
             this.Name = "Form1";
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "Lazy Compress H.265 (HEVC)";
             this.Load += new System.EventHandler(this.Form1_Load);
             this.Shown += new System.EventHandler(this.Form1_Shown);
diff --git a/Form1.cs b/Form1.cs
index e03061a..7c10a38 100644
--- a/Form1.cs
+++ b/Form1.cs
@@ -6,6 +6,7 @@ using System.Diagnostics;
 using System.Drawing;
 using System.IO;
 using System.Linq;
+using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
@@ -16,12 +17,16 @@ namespace CompressH265 {
     public partial class Form1 : Form {
 
         private bool isFromContextMenu = false;
+        private bool installed = false;
         
         public Form1() {
             InitializeComponent();
         }
         
         private void Form1_Load(object sender, EventArgs e) {
+            var version = Assembly.GetExecutingAssembly().GetName().Version;
+            Text = Text + " v" + version.Major + "." + version.Minor;
+            
             AddShieldToButton(buttonContextMenu);
     
             string[] args = Environment.GetCommandLineArgs();        
@@ -37,6 +42,20 @@ namespace CompressH265 {
                     button2_Click(null, null);
                 }
             }
+
+            UpdateContextMenuButton();
+        }
+
+        public void UpdateContextMenuButton() {
+            var a = Registry.ClassesRoot.OpenSubKey("*\\shell\\Compress to H.265 (HEVC)");
+
+            if (a == null) {
+                buttonContextMenu.Text = "Install to Context Menu";
+                installed = false;
+            } else {
+                buttonContextMenu.Text = "Uninstall from Context Menu";
+                installed = true;
+            }
         }
 
         private void button1_Click(object sender, EventArgs e) {
@@ -65,6 +84,17 @@ namespace CompressH265 {
         }
 
         private void button2_Click(object sender, EventArgs e) {
+
+            if (textBox1.Text.Trim() == "") {
+                MessageBox.Show("Please select or drag-and-drop a file.");
+                return;
+            }
+            
+            if (!File.Exists(textBox1.Text)) {
+                MessageBox.Show("File Not Found");
+                return;
+            }
+            
             Process process = new Process();
             process.EnableRaisingEvents = true;
             //   process.StartInfo.RedirectStandardOutput = true;
@@ -98,11 +128,17 @@ namespace CompressH265 {
             info.FileName = System.Reflection.Assembly.GetExecutingAssembly().Location;
             info.UseShellExecute = true;
             info.Verb = "runas"; // Provides Run as Administrator
-            info.Arguments = "-contextmenu";
+
+            if (installed) {
+                info.Arguments = "-uninstallcontextmenu";
+            } else {
+                info.Arguments = "-contextmenu";
+            }
 
             try {
                 if (Process.Start(info) != null) {
                     MessageBox.Show("Installed successfully.");
+                    UpdateContextMenuButton();
                 } else {
                     MessageBox.Show("Error");
                 }
@@ -133,5 +169,9 @@ namespace CompressH265 {
                 Hide();
             }
         }
+
+        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) {
+            System.Diagnostics.Process.Start("https://github.com/louislam/lazy-compress-h265");
+        }
     }
 }
\ No newline at end of file
diff --git a/Program.cs b/Program.cs
index b112f17..019d8dd 100644
--- a/Program.cs
+++ b/Program.cs
@@ -8,6 +8,8 @@ using Microsoft.Win32;
 
 namespace CompressH265 {
     static class Program {
+        private static string subkey = "*\\shell\\Compress to H.265 (HEVC)";
+        
         /// <summary>
         /// The main entry point for the application.
         /// </summary>
@@ -21,6 +23,9 @@ namespace CompressH265 {
                 if (item == "-contextmenu") {
                     installContextMenu();
                     System.Environment.Exit(1);
+                } else if (item == "-uninstallcontextmenu") {
+                    uninstallContextMenu();
+                    System.Environment.Exit(1);
                 }
                     
             }
@@ -44,7 +49,7 @@ namespace CompressH265 {
         public static void installContextMenu() {
             RegistryKey item = null;
             try {
-                item = Registry.ClassesRoot.CreateSubKey("*\\shell\\Compress to H.265 (HEVC)\\command");
+                item = Registry.ClassesRoot.CreateSubKey(subkey + "\\command");
                 item.SetValue("", System.Reflection.Assembly.GetExecutingAssembly().Location + " -i \"%1\"");
             }
             catch(Exception ex)
@@ -57,5 +62,9 @@ namespace CompressH265 {
                     item.Close();
             }        
         }
+
+        public static void uninstallContextMenu() {
+            Registry.ClassesRoot.DeleteSubKeyTree(subkey);
+        }
     }
 }
\ No newline at end of file
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index db3d7b0..c51f56e 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -5,12 +5,12 @@ using System.Runtime.InteropServices;
 // General Information about an assembly is controlled through the following
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
-[assembly: AssemblyTitle("CompressH265")]
+[assembly: AssemblyTitle("Lazy Compress H.265 (HEVC)")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
-[assembly: AssemblyProduct("CompressH265")]
-[assembly: AssemblyCopyright("Copyright ©  2020")]
+[assembly: AssemblyCompany("WhatSticker.online")]
+[assembly: AssemblyProduct("Lazy Compress H.265 (HEVC)")]
+[assembly: AssemblyCopyright("WhatSticker.online © 2020")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]