diff --git a/scripts/install-deps-windows.ps1 b/scripts/install-deps-windows.ps1
index 718fbef..6460c86 100644
--- a/scripts/install-deps-windows.ps1
+++ b/scripts/install-deps-windows.ps1
@@ -5,6 +5,7 @@ param(
     [switch]$UseScoop = $false,
     [switch]$SkipFFmpeg = $false,
     [string]$DvdStylerUrl = "",
+    [string]$DvdStylerZip = "",
     [switch]$SkipDvdStyler = $false
 )
 
@@ -81,65 +82,76 @@ function Ensure-DVDStylerTools {
     $userAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
     $downloaded = $false
     $lastUrl = ""
-    foreach ($url in $dvdstylerUrls) {
-        $lastUrl = $url
-        $downloadOk = $false
-        if (Test-Path $dvdstylerZip) {
-            Remove-Item -Force $dvdstylerZip
+    if ($DvdStylerZip) {
+        if (Test-Path $DvdStylerZip) {
+            Copy-Item -Path $DvdStylerZip -Destination $dvdstylerZip -Force
+            $downloaded = $true
+            $lastUrl = $DvdStylerZip
+        } else {
+            Write-Host "[ERROR]  Provided DVDStyler ZIP not found: $DvdStylerZip" -ForegroundColor Red
+            exit 1
         }
-        try {
-            Invoke-WebRequest -Uri $url -OutFile $dvdstylerZip -UseBasicParsing -MaximumRedirection 10 -UserAgent $userAgent -Headers @{
-                "Referer" = $dvdstylerReferer
-                "Accept"  = "application/zip"
-            }
-            $downloadOk = $true
-        } catch {
+    } else {
+        foreach ($url in $dvdstylerUrls) {
+            $lastUrl = $url
             $downloadOk = $false
-        }
-
-        if (-not $downloadOk) {
+            if (Test-Path $dvdstylerZip) {
+                Remove-Item -Force $dvdstylerZip
+            }
             try {
-                Start-BitsTransfer -Source $url -Destination $dvdstylerZip -ErrorAction Stop
+                Invoke-WebRequest -Uri $url -OutFile $dvdstylerZip -UseBasicParsing -MaximumRedirection 10 -UserAgent $userAgent -Headers @{
+                    "Referer" = $dvdstylerReferer
+                    "Accept"  = "application/zip"
+                }
                 $downloadOk = $true
             } catch {
                 $downloadOk = $false
             }
-        }
 
-        if (-not $downloadOk -and (Test-Command curl.exe)) {
-            try {
-                & curl.exe -L --retry 3 --user-agent $userAgent -o $dvdstylerZip $url | Out-Null
-                if ($LASTEXITCODE -eq 0) {
+            if (-not $downloadOk) {
+                try {
+                    Start-BitsTransfer -Source $url -Destination $dvdstylerZip -ErrorAction Stop
                     $downloadOk = $true
+                } catch {
+                    $downloadOk = $false
+                }
+            }
+
+            if (-not $downloadOk -and (Test-Command curl.exe)) {
+                try {
+                    & curl.exe -L --retry 3 --user-agent $userAgent -o $dvdstylerZip $url | Out-Null
+                    if ($LASTEXITCODE -eq 0) {
+                        $downloadOk = $true
+                    }
+                } catch {
+                    $downloadOk = $false
+                }
+            }
+
+            if (-not $downloadOk -or -not (Test-Path $dvdstylerZip)) {
+                continue
+            }
+
+            try {
+                $fs = [System.IO.File]::OpenRead($dvdstylerZip)
+                try {
+                    $fileSize = (Get-Item $dvdstylerZip).Length
+                    if ($fileSize -lt 102400) {
+                        continue
+                    }
+                    $sig = New-Object byte[] 2
+                    $null = $fs.Read($sig, 0, 2)
+                    if ($sig[0] -eq 0x50 -and $sig[1] -eq 0x4B) {
+                        $downloaded = $true
+                        break
+                    }
+                } finally {
+                    $fs.Close()
                 }
             } catch {
-                $downloadOk = $false
+                # Try next URL
             }
         }
-
-        if (-not $downloadOk -or -not (Test-Path $dvdstylerZip)) {
-            continue
-        }
-
-        try {
-            $fs = [System.IO.File]::OpenRead($dvdstylerZip)
-            try {
-                $fileSize = (Get-Item $dvdstylerZip).Length
-                if ($fileSize -lt 102400) {
-                    continue
-                }
-                $sig = New-Object byte[] 2
-                $null = $fs.Read($sig, 0, 2)
-                if ($sig[0] -eq 0x50 -and $sig[1] -eq 0x4B) {
-                    $downloaded = $true
-                    break
-                }
-            } finally {
-                $fs.Close()
-            }
-        } catch {
-            # Try next URL
-        }
     }
     if (-not $downloaded) {
         Write-Host "[ERROR]  Failed to download DVDStyler ZIP (invalid archive)" -ForegroundColor Red
diff --git a/scripts/install.sh b/scripts/install.sh
index c6a0ea2..45b9411 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -30,6 +30,7 @@ PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 
 # Args
 DVDSTYLER_URL=""
+DVDSTYLER_ZIP=""
 SKIP_DVD_TOOLS=""
 while [ $# -gt 0 ]; do
 	case "$1" in
@@ -41,13 +42,21 @@ while [ $# -gt 0 ]; do
 			DVDSTYLER_URL="$2"
 			shift 2
 			;;
+		--dvdstyler-zip=*)
+			DVDSTYLER_ZIP="${1#*=}"
+			shift
+			;;
+		--dvdstyler-zip)
+			DVDSTYLER_ZIP="$2"
+			shift 2
+			;;
 		--skip-dvd)
 			SKIP_DVD_TOOLS=true
 			shift
 			;;
 		*)
 			echo "Unknown option: $1"
-			echo "Usage: $0 [--dvdstyler-url URL] [--skip-dvd]"
+			echo "Usage: $0 [--dvdstyler-url URL] [--dvdstyler-zip PATH] [--skip-dvd]"
 			exit 1
 			;;
 	esac
@@ -115,7 +124,9 @@ if [ "$IS_WINDOWS" = true ]; then
         if [ "$SKIP_DVD_TOOLS" = true ]; then
             PS_ARGS+=("-SkipDvdStyler")
         fi
-        if [ -n "$DVDSTYLER_URL" ]; then
+        if [ -n "$DVDSTYLER_ZIP" ]; then
+            powershell.exe -NoProfile -ExecutionPolicy Bypass -File "$PROJECT_ROOT/scripts/install-deps-windows.ps1" -DvdStylerZip "$DVDSTYLER_ZIP" "${PS_ARGS[@]}"
+        elif [ -n "$DVDSTYLER_URL" ]; then
             powershell.exe -NoProfile -ExecutionPolicy Bypass -File "$PROJECT_ROOT/scripts/install-deps-windows.ps1" -DvdStylerUrl "$DVDSTYLER_URL" "${PS_ARGS[@]}"
         else
             powershell.exe -NoProfile -ExecutionPolicy Bypass -File "$PROJECT_ROOT/scripts/install-deps-windows.ps1" "${PS_ARGS[@]}"