diff --git a/functions/private/Invoke-WinUtilDownloadISO.ps1 b/functions/private/Invoke-WinUtilDownloadISO.ps1
index fa3d21f7..468f05bc 100644
--- a/functions/private/Invoke-WinUtilDownloadISO.ps1
+++ b/functions/private/Invoke-WinUtilDownloadISO.ps1
@@ -1,28 +1,17 @@
 function Invoke-WinUtilDownloadISO {
-    # https://github.com/AveYo/MediaCreationTool.bat/blob/main/MediaCreationTool.bat
+    param(
+        $rel,
+        $locale,
+        $arch
+    )
+    # Download Windows 11 ISO
+    # Credit: https://github.com/pbatard/Fido
 
-    ::# show more responsive MCT + PRE pseudo-menu dialog or separate choice dialog instances if either MCT or PRE are set
-    if "%MCT%%PRE%"=="" call :choices2 MCT "%VERSIONS%" %dV% "MCT Version" PRE "%PRESETS%" %dP% "MCT Preset" 11 white 0x005a9e 320
-    if %MCT%0 lss 1 if %PRE%0 gtr 1 call :choices MCT "%VERSIONS%" %dV% "MCT Version" 11 white 0x005a9e 320
-    if %MCT%0 gtr 1 if %PRE%0 lss 1 call :choices PRE "%PRESETS%"  %dP% "MCT Preset"  11 white 0x005a9e 320
-    if %MCT%0 gtr 1 if %PRE%0 lss 1 goto choice-0 = cancel
-    goto choice-%MCT%
+    $fidopath = "$env:temp\fido.ps1"
 
-    :choice-17
-    set "VER=22631" & set "VID=11_23H2" & set "CB=22631.2861.231204-0538.23H2_ni_release_svc_refresh" & set "CT=2023/12/" & set "CC=2.0"
-    set "CAB=https://download.microsoft.com/download/6/2/b/62b47bc5-1b28-4bfa-9422-e7a098d326d4/products_win11_20231208.cab"
-    set "EXE=https://download.microsoft.com/download/e/c/d/ecd532eb-bed0-465a-9b7a-330066bec3ce/MediaCreationTool_Win11_23H2.exe"
-    goto process ::# refreshed 22621 base with integrated 23H2 enablement package
+    Invoke-Webrequest "https://github.com/pbatard/Fido/raw/master/Fido.ps1" -OutFile $fidopath
 
-    :choice-16
-    set "VER=22621" & set "VID=11_22H2" & set "CB=22621.1702.230505-1222.ni_release_svc_refresh" & set "CT=2023/05/" & set "CC=2.0"
-    set "CAB=https://download.microsoft.com/download/b/1/9/b19bd7fd-78c4-4f88-8c40-3e52aee143c2/products_win11_20230510.cab.cab"
-    set "EXE=https://software-static.download.prss.microsoft.com/dbazure/988969d5-f34g-4e03-ac9d-1f9786c66749/mediacreationtool.exe"
-    goto process ::# windows 11 22H2
+    & $fidopath -Win "Windows 11" -Rel $rel -Locale $locale -Arch $arch
 
-    :choice-15
-    set "VER=22000" & set "VID=11_21H2" & set "CB=22000.318.211104-1236.co_release_svc_refresh" & set "CT=2021/11/" & set "CC=2.0"
-    set "CAB=https://download.microsoft.com/download/1/b/4/1b4e06e2-767a-4c9a-9899-230fe94ba530/products_Win11_20211115.cab"
-    set "EXE=https://software-download.microsoft.com/download/pr/888969d5-f34g-4e03-ac9d-1f9786c69161/MediaCreationToolW11.exe"
-    goto process ::# windows 11 : usability and ui downgrade, and even more ChrEdge bloat (but somewhat snappier multitasking)
+    return "$workingdir\*.iso"
 }
\ No newline at end of file