diff --git a/launchers/qt/CMakeLists.txt b/launchers/qt/CMakeLists.txt
index 9896e3f5d9..e633d7f0e4 100644
--- a/launchers/qt/CMakeLists.txt
+++ b/launchers/qt/CMakeLists.txt
@@ -131,6 +131,7 @@ set(src_files
   src/Unzipper.h
   src/Unzipper.cpp
   src/Helper.h
+  src/Helper.cpp
   deps/miniz/miniz.h
   deps/miniz/miniz.cpp
   )
diff --git a/launchers/qt/src/Helper.cpp b/launchers/qt/src/Helper.cpp
index 8bbab41698..2c7f89f0df 100644
--- a/launchers/qt/src/Helper.cpp
+++ b/launchers/qt/src/Helper.cpp
@@ -1,5 +1,49 @@
 #include "Helper.h"
+#ifdef Q_OS_WIN
+#include <Windows.h>
+#endif
 
+
+#if defined(Q_OS_WIN)
 void launchClient(const QString& homePath, const QString& defaultScriptOverride, const QString& displayName,
                   const QString& contentCachePath, const QString& loginResponseToken) {
+
+    // TODO Fix parameters
+    QString params = "--url " + homePath
+        + " --setBookmark hqhome=\"" + homePath + "\""
+        + " --defaultScriptsOverride " + defaultScriptsPath
+        + " --displayName " + displayName
+        + " --cache " + contentCachePath;
+
+    if (!_loginTokenResponse.isEmpty()) {
+        params += " --tokens \"" + _loginTokenResponse.replace("\"", "\\\"") + "\"";
+    }
+
+    STARTUPINFO si;
+    PROCESS_INFORMATION pi;
+
+    // set the size of the structures
+    ZeroMemory(&si, sizeof(si));
+    si.cb = sizeof(si);
+    ZeroMemory(&pi, sizeof(pi));
+
+    // start the program up
+    BOOL success = CreateProcess(
+        clientPath.toUtf8().data(),
+        params.toUtf8().data(),
+        nullptr,                   // Process handle not inheritable
+        nullptr,                   // Thread handle not inheritable
+        FALSE,                  // Set handle inheritance to FALSE
+        CREATE_NEW_CONSOLE,     // Opens file in a separate console
+        nullptr,           // Use parent's environment block
+        nullptr,           // Use parent's starting directory 
+        &si,            // Pointer to STARTUPINFO structure
+        &pi           // Pointer to PROCESS_INFORMATION structure
+    );
+    // Close process and thread handles. 
+    CloseHandle(pi.hProcess);
+    CloseHandle(pi.hThread);
+    exit(0);
 }
+
+#endif
diff --git a/launchers/qt/src/LauncherState.cpp b/launchers/qt/src/LauncherState.cpp
index 2111568780..0f32aeb6b7 100644
--- a/launchers/qt/src/LauncherState.cpp
+++ b/launchers/qt/src/LauncherState.cpp
@@ -416,56 +416,26 @@ void LauncherState::launchClient() {
     setApplicationState(ApplicationState::LaunchingHighFidelity);
 
     QDir installDirectory = _launcherDirectory.filePath("interface_install");
-    auto clientPath = installDirectory.absoluteFilePath("interface.app/Contents/MacOS/interface");
+    QString clientPath;
+#if defined(Q_OS_WIN)
+    clientPath = installDirectory.absoluteFilePath("interface.exe");
+#elif defined(Q_OS_MACOS)
+    clientPath = installDirectory.absoluteFilePath("interface.app/Contents/MacOS/interface");
+#endif
 
     QString homePath = "hifi://hq";
-    QString defaultScriptsPath = installDirectory.filePath("scripts/simplifiedUIBootstrapper");
+    QString defaultScriptsPath;
+#if defined(Q_OS_WIN)
+    defaultScriptsPath = installDirectory.filePath("scripts/simplifiedUIBootstrapper.js");
+#elif defined(Q_OS_MACOS)
+    defaultScriptsPath = installDirectory.filePath("interface.app/Contents/Resources/scripts/simplifiedUIBootstrapper.js");
+#endif
+
+    qDebug() << "------> " << defaultScriptsPath;
     QString displayName = "fixMe";
     QString contentCachePath = _launcherDirectory.filePath("cache");
 
-    //::launchClient(clientPath, homePath, defaultScriptsPath, displayName, contentCachePath, _loginTokenResponse);
-    /*  // TODO Fix parameters
-    QString params = "--url " + homePath
-        + " --setBookmark hqhome=\"" + homePath + "\""
-        + " --defaultScriptsOverride " + QDir::toNativeSeparators(defaultScriptsPath)
-        + " --displayName " + displayName
-        + " --cache " + contentCachePath;
-
-    if (!_loginTokenResponse.isEmpty()) {
-        params += " --tokens \"" + _loginTokenResponse.replace("\"", "\\\"") + "\"";
-    }
-
-#if defined(Q_OS_WIN)
-    STARTUPINFO si;
-    PROCESS_INFORMATION pi;
-
-    // set the size of the structures
-    ZeroMemory(&si, sizeof(si));
-    si.cb = sizeof(si);
-    ZeroMemory(&pi, sizeof(pi));
-
-    // start the program up
-    BOOL success = CreateProcess(
-        clientPath.toUtf8().data(),
-        params.toUtf8().data(),
-        nullptr,                   // Process handle not inheritable
-        nullptr,                   // Thread handle not inheritable
-        FALSE,                  // Set handle inheritance to FALSE
-        CREATE_NEW_CONSOLE,     // Opens file in a separate console
-        nullptr,           // Use parent's environment block
-        nullptr,           // Use parent's starting directory 
-        &si,            // Pointer to STARTUPINFO structure
-        &pi           // Pointer to PROCESS_INFORMATION structure
-    );
-    // Close process and thread handles. 
-    CloseHandle(pi.hProcess);
-    CloseHandle(pi.hThread);
-    exit(0);
-#elif defined(Q_OS_MACOS)
-    // TODO Implement launching of client
-#else
-#error UNSUPPORTED PLATFORM
-#endif*/
+    ::launchClient(clientPath, homePath, QDir::toNativeSeparators(defaultScriptsPath), displayName, contentCachePath, _loginTokenResponse);
 }
 
 void LauncherState::setApplicationState(ApplicationState state) {