diff --git a/deploy_engine_windows.ps1 b/deploy_engine_windows.ps1
new file mode 100644
index 0000000..63b9483
--- /dev/null
+++ b/deploy_engine_windows.ps1
@@ -0,0 +1,68 @@
+# deploy_engine_windows.ps1 - REBUILD + DEPLOY daw_engine.exe (PyInstaller onedir)
+# Chay TREN may Windows 192.168.1.24 (source clone tai C:\Users\locpham\SonicForgeStudio):
+#   powershell -ExecutionPolicy Bypass -File deploy_engine_windows.ps1
+# Lam gi: git pull code moi -> build.mjs (frontend) -> pyinstaller engine.spec
+# (backend fix vao exe) -> detect noi engine dang chay -> copy bundle moi vao do
+# -> kill + restart engine. LUU Y: chi dung ky tu ASCII (PowerShell 5.1 doc ANSI).
+$ErrorActionPreference = "Stop"
+Set-Location $PSScriptRoot
+
+Write-Host "== [0/6] Pull code moi (fix MASTERING PANEL VST FX) =="
+git pull --ff-only
+if ($LASTEXITCODE -ne 0) { Write-Host "git pull LOI - kiem tra network/credential" -ForegroundColor Red; exit 1 }
+
+Write-Host "== [1/6] Frontend bundle (app.jsx -> app.precompiled.js) =="
+if (-not (Test-Path "node_modules\@babel\standalone")) {
+  npm install @babel/standalone --no-audit --no-fund
+}
+node build.mjs
+if ($LASTEXITCODE -ne 0) { Write-Host "build.mjs LOI" -ForegroundColor Red; exit 1 }
+
+Write-Host "== [2/6] Rebuild daw_engine.exe (PyInstaller, backend fix vao PYZ) =="
+pyinstaller engine.spec --clean --noconfirm
+if ($LASTEXITCODE -ne 0) { Write-Host "pyinstaller LOI" -ForegroundColor Red; exit 1 }
+
+Write-Host "== [3/6] Verify bundle =="
+python tools\verify_bundle.py
+if ($LASTEXITCODE -ne 0) { Write-Host "Bundle thieu asset - dung deploy" -ForegroundColor Red; exit 1 }
+
+Write-Host "== [4/6] Detect noi engine dang chay =="
+$proc = Get-Process -Name "daw_engine" -ErrorAction SilentlyContinue | Select-Object -First 1
+$runDir = $null
+if ($proc) {
+  $runDir = Split-Path $proc.Path -Parent
+  Write-Host "Engine dang chay tai: $runDir (PID $($proc.Id))"
+} else {
+  $cand = @(
+    "C:\Users\locpham\SonicForgeStudio\install\daw_engine",
+    "C:\Users\locpham\SonicForgeStudio\dist\daw_engine"
+  )
+  foreach ($c in $cand) {
+    if (Test-Path (Join-Path $c "daw_engine.exe")) { $runDir = $c; break }
+  }
+  if (-not $runDir) { Write-Host "Khong tim thay noi chua daw_engine.exe" -ForegroundColor Red; exit 1 }
+  Write-Host "Engine chua chay - se deploy vao: $runDir"
+}
+
+Write-Host "== [5/6] Kill engine cu + copy bundle moi =="
+if ($proc) {
+  Stop-Process -Name "daw_engine" -Force -ErrorAction SilentlyContinue
+  Start-Sleep -Seconds 2
+}
+Copy-Item "dist\daw_engine\*" $runDir -Recurse -Force
+Write-Host "Da copy bundle moi vao $runDir"
+
+Write-Host "== [6/6] Restart engine =="
+$exe = Join-Path $runDir "daw_engine.exe"
+Start-Process $exe -WorkingDirectory $runDir
+Start-Sleep -Seconds 6
+
+Write-Host ""
+Write-Host "== XAC MINH =="
+try {
+  $r = Invoke-WebRequest -Uri "http://localhost:8000/" -UseBasicParsing -TimeoutSec 10
+  Write-Host "HTTP $($r.StatusCode) - engine da chay lai OK" -ForegroundColor Green
+} catch {
+  Write-Host "Chua thay engine tren port 8000 (co the dang chay port 8001-8010 hoac Tauri shell chua spawn)" -ForegroundColor Yellow
+}
+Write-Host "Hard refresh trinh duyet (Ctrl+Shift+R) -> Plugin Manager -> Scan -> MASTERING PANEL -> VST FX phai hien thi."