diff --git a/Launch-Dev-Windows.bat b/Launch-Dev-Windows.bat
index ca827ae..5d659f2 100644
--- a/Launch-Dev-Windows.bat
+++ b/Launch-Dev-Windows.bat
@@ -6,7 +6,7 @@ color 0B
 
 echo.
 echo NomadArch Development Launcher (Windows)
-echo Version: 0.4.0
+echo Version: 0.5.0 - Binary-Free Mode
 echo.
 
 set SCRIPT_DIR=%~dp0
@@ -16,6 +16,7 @@ cd /d "%SCRIPT_DIR%"
 set ERRORS=0
 set WARNINGS=0
 set AUTO_FIXED=0
+set BINARY_FREE_MODE=0
 
 echo [PREFLIGHT 1/7] Checking Dependencies...
 
@@ -46,29 +47,33 @@ echo [PREFLIGHT 2/7] Checking for OpenCode CLI...
 
 where opencode >nul 2>&1
 if %ERRORLEVEL% equ 0 (
-    echo [OK] OpenCode CLI available in PATH
-) else (
-    if exist "bin\opencode.exe" (
-        echo [OK] OpenCode binary found in bin/
-    ) else (
-        echo [WARN] OpenCode CLI not found
-        echo [INFO] Run Install-Windows.bat to set up OpenCode
-        set /a WARNINGS+=1
-    )
+    echo [OK] OpenCode CLI in PATH - Full Mode
+    goto :opencode_check_done
 )
 
+if exist "bin\opencode.exe" (
+    echo [OK] OpenCode binary in bin/ - Full Mode
+    goto :opencode_check_done
+)
+
+echo [INFO] OpenCode CLI not found - Using Binary-Free Mode
+echo [INFO] Free models: GPT-5 Nano, Grok Code, GLM-4.7 via OpenCode Zen
+set BINARY_FREE_MODE=1
+
+:opencode_check_done
+
 echo.
 echo [PREFLIGHT 3/7] Checking Dependencies...
 
 if not exist "node_modules" (
     echo [INFO] Dependencies not installed. Installing now...
     call npm install
-    if %ERRORLEVEL% neq 0 (
+    if !ERRORLEVEL! neq 0 (
         echo [ERROR] Dependency installation failed!
         pause
         exit /b 1
     )
-    echo [OK] Dependencies installed (auto-fix)
+    echo [OK] Dependencies installed
     set /a AUTO_FIXED+=1
 ) else (
     echo [OK] Dependencies found
@@ -111,14 +116,14 @@ if not exist "packages\ui\dist\index.html" (
     echo [INFO] Running UI build...
     pushd packages\ui
     call npm run build
-    if %ERRORLEVEL% neq 0 (
+    if !ERRORLEVEL! neq 0 (
         echo [ERROR] UI build failed!
         popd
         set /a ERRORS+=1
         goto :launch_check
     )
     popd
-    echo [OK] UI build completed (auto-fix)
+    echo [OK] UI build completed
     set /a AUTO_FIXED+=1
 )
 
@@ -126,12 +131,12 @@ if not exist "packages\electron-app\dist\main\main.js" (
     echo [WARN] Electron build incomplete
     echo [INFO] Running full build...
     call npm run build
-    if %ERRORLEVEL% neq 0 (
+    if !ERRORLEVEL! neq 0 (
         echo [ERROR] Full build failed!
         set /a ERRORS+=1
         goto :launch_check
     )
-    echo [OK] Full build completed (auto-fix)
+    echo [OK] Full build completed
     set /a AUTO_FIXED+=1
 )
 
@@ -142,14 +147,19 @@ echo [STATUS]
 echo.
 echo   Node.js: %NODE_VERSION%
 echo   npm: %NPM_VERSION%
+if !BINARY_FREE_MODE! equ 1 (
+    echo   Mode: Binary-Free Mode
+) else (
+    echo   Mode: Full Mode with OpenCode
+)
 echo   Auto-fixes applied: !AUTO_FIXED!
-echo   Warnings: %WARNINGS%
-echo   Errors: %ERRORS%
+echo   Warnings: !WARNINGS!
+echo   Errors: !ERRORS!
 echo   Server Port: !SERVER_PORT!
 echo   UI Port: !UI_PORT!
 echo.
 
-if %ERRORS% gtr 0 (
+if !ERRORS! gtr 0 (
     echo [RESULT] Cannot start due to errors!
     pause
     exit /b 1
@@ -179,4 +189,4 @@ taskkill /F /FI "WINDOWTITLE eq NomadArch Electron*" >nul 2>&1
 
 :launch_check
 pause
-exit /b %ERRORS%
+exit /b !ERRORS!