diff --git a/MainForm.Designer.cs b/MainForm.Designer.cs
index f46458e..ccb8ea5 100644
--- a/MainForm.Designer.cs
+++ b/MainForm.Designer.cs
@@ -67,6 +67,7 @@ private void InitializeComponent()
             this.buttonCustomInfo = new System.Windows.Forms.Button();
             this.radioButtonUnicode = new System.Windows.Forms.RadioButton();
             this.labelHexPrefix = new System.Windows.Forms.Label();
+            this.labelVersion = new System.Windows.Forms.Label();
             ((System.ComponentModel.ISupportInitialize)(this.nudDelay)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.nudDuration)).BeginInit();
             this.statusStrip1.SuspendLayout();
@@ -502,6 +503,16 @@ private void InitializeComponent()
             this.labelHexPrefix.TabIndex = 31;
             this.labelHexPrefix.Text = "0x";
             // 
+            // labelVersion
+            // 
+            this.labelVersion.AutoSize = true;
+            this.labelVersion.ForeColor = System.Drawing.SystemColors.ControlDark;
+            this.labelVersion.Location = new System.Drawing.Point(345, 447);
+            this.labelVersion.Name = "labelVersion";
+            this.labelVersion.Size = new System.Drawing.Size(45, 13);
+            this.labelVersion.TabIndex = 32;
+            this.labelVersion.Text = "Version:";
+            // 
             // MainForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -534,6 +545,7 @@ private void InitializeComponent()
             this.Controls.Add(this.btnF23);
             this.Controls.Add(this.btnF24);
             this.Controls.Add(this.panelCustomOutline);
+            this.Controls.Add(this.labelVersion);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
             this.Name = "MainForm";
@@ -589,5 +601,6 @@ private void InitializeComponent()
         private System.Windows.Forms.Label labelHexPrefix;
         private System.Windows.Forms.RadioButton radioButtonUnicode;
         private System.Windows.Forms.Button buttonCustomInfo;
+        private System.Windows.Forms.Label labelVersion;
     }
 }
\ No newline at end of file
diff --git a/MainForm.cs b/MainForm.cs
index 235100b..5c09ff6 100644
--- a/MainForm.cs
+++ b/MainForm.cs
@@ -5,6 +5,7 @@
 using System.Diagnostics;
 using System.Drawing;
 using System.Linq;
+using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading;
@@ -15,6 +16,7 @@ namespace F_Key_Sender
 {
     public partial class MainForm : Form
     {
+        const string VERSION = "1.1.0";
 
         // Dictionary to store virtual key codes and scan codes. Will want to use wscan codes for SendInput
         private static readonly Dictionary<string, (ushort vk, ushort scan)> keyCodes = new Dictionary<string, (ushort, ushort)>
@@ -57,6 +59,11 @@ public MainForm()
             this.TopMost = true;
             stopwatch.Start();
             dropdownMethod.SelectedIndex = 0;
+
+            VerifyAssemblyVersion();
+
+            // Set Version Label
+            labelVersion.Text = $"Version: {VERSION}";
         }
 
         // Using WaitHandle instead of Thread.Sleep to avoid wasting system resources and also more accurate
@@ -1006,5 +1013,42 @@ private void buttonCustomInfo_Click(object sender, EventArgs e)
                 MessageBoxIcon.None
             );
         }
+
+        // If in debug mode and the assembly version does not match the file version, display a warning message
+        private void VerifyAssemblyVersion()
+        {
+#if DEBUG
+            var assembly = Assembly.GetExecutingAssembly();
+            var assemblyVersion = assembly.GetName().Version.ToString();
+            var fileVersionInfo = FileVersionInfo.GetVersionInfo(assembly.Location);
+            var fileVersion = new Version(fileVersionInfo.FileVersion).ToString();
+
+            // Ignore the last digit of the version number if it's 0 and the file version doesn't use it by counting periods in the file version
+            if (assemblyVersion.EndsWith(".0") && VERSION.Count(c => c == '.') < 3)
+            {
+                assemblyVersion = assemblyVersion.Substring(0, assemblyVersion.Length - 2);
+            }
+            if (fileVersion.EndsWith(".0") && VERSION.Count(c => c == '.') < 3)
+            {
+                fileVersion = fileVersion.Substring(0, fileVersion.Length - 2);
+            }
+
+            if (assemblyVersion != VERSION || fileVersion != VERSION)
+            {
+                string warningMessage = $"WARNING: Version mismatch detected!\n" +
+                                        $"Expected version: {VERSION}\n" +
+                                        $"Assembly version: {assemblyVersion}\n" +
+                                        $"File version: {fileVersion}";
+
+                Debug.WriteLine(warningMessage);
+                MessageBox.Show(warningMessage, "Version Mismatch",
+                    MessageBoxButtons.OK, MessageBoxIcon.Warning);
+            }
+            else
+            {
+                Debug.WriteLine($"Version check passed. Current version: {VERSION}");
+            }
+#endif
+        }
     }
 }
\ No newline at end of file