diff --git a/setup.iss b/setup.iss
new file mode 100644
index 0000000..4ca2366
--- /dev/null
+++ b/setup.iss
@@ -0,0 +1,63 @@
+; @breif WelsonJS
+; @author Go Namhyeon (catswords@protonmail.com)
+; @created_on 2020-06-26
+; @updated_on 2020-07-21
+
+[Setup]
+AppName=WelsonJS
+AppVersion=0.1.2
+WizardStyle=modern
+DefaultDirName={pf}\WelsonJS
+DefaultGroupName=WelsonJS
+UninstallDisplayIcon={app}\UnInst.exe
+Compression=lzma2
+SolidCompression=yes
+OutputDir=.
+PrivilegesRequired=admin
+ArchitecturesInstallIn64BitMode=x64
+
+; [Registry]
+; Root: HKCR; Subkey: "welsonjs"; ValueType: "string"; ValueData: "URL:{cm:AppName}"; Flags: uninsdeletekey
+; Root: HKCR; Subkey: "welsonjs"; ValueType: "string"; ValueName: "URL Protocol"; ValueData: ""
+; Root: HKCR; Subkey: "welsonjs\DefaultIcon"; ValueType: "string"; ValueData: "{app}\app\favicon.ico,0"
+; Root: HKCR; Subkey: "welsonjs\shell\open\command"; ValueType: "string"; ValueData: "cscript ""{app}\app.js"" uriloader ""%1"""
+
+[Files]
+Source: "app.js"; DestDir: "{app}";
+Source: "app.hta"; DestDir: "{app}";
+Source: "uriloader.js"; DestDir: "{app}";
+Source: "webloader.js"; DestDir: "{app}";
+Source: "bootstrap.js"; DestDir: "{app}";
+Source: "app\*"; DestDir: "{app}/app"; Flags: ignoreversion recursesubdirs;
+Source: "node_modules\*"; DestDir: "{app}/node_modules"; Flags: ignoreversion recursesubdirs;
+
+[Icons]
+Name: "{group}\Uninstall {cm:AppName}"; Filename: "{uninstallexe}"; AfterInstall: SetElevationBit('{group}\Uninstall {cm:AppName}.lnk');
+
+; [Run]
+; Filename: {app}\app.hta;
+
+[CustomMessages]
+AppName=WelsonJS
+
+[Code]
+procedure SetElevationBit(Filename: string);
+var
+  Buffer: string;
+  Stream: TStream;
+begin
+  Filename := ExpandConstant(Filename);
+  Log('Setting elevation bit for ' + Filename);
+
+  Stream := TFileStream.Create(FileName, fmOpenReadWrite);
+  try
+    Stream.Seek(21, soFromBeginning);
+    SetLength(Buffer, 1);
+    Stream.ReadBuffer(Buffer, 1);
+    Buffer[1] := Chr(Ord(Buffer[1]) or $20);
+    Stream.Seek(-1, soFromCurrent);
+    Stream.WriteBuffer(Buffer, 1);
+  finally
+    Stream.Free;
+  end;
+end;