Slimdown11 – turn Windows 11 or LTSC 2024 into classic/legacy Windows

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Hi SunLion, a few small things

When [20] is set to no desktop icons
W112xH2+.cmd adds This PC icon back

When Modern calculator is selected it shows both modern and legacy in start menu can it only show modern instead?
When EnableMediaPlayer is enabled shouldn't it just use the legacy version? why does the actual app get installed?

Is there any point of installing .NET Framework 3.5 if you use this reg?

[HKEY_LOCAL_MACHINE\Software\Microsoft\.NETFramework]
"OnlyUseLatestCLR"=dword:00000001

[HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\.NETFramework]
"OnlyUseLatestCLR"=dword:00000001

Thanks for your work and everyone contributing.

 

As with all your work, you've done an outstanding job on this piece as well. Thank you.

 

en-us_windows_11_enterprise_ltsc_2024_x64_dvd_965cfb00
[3]Build to create: Enable26H2
[13]Calculator: Modern


I only ask because I too needed 3.5 for a older app that would always nag about not having it installed, but ever since those reg keys it never asked for it to be installed again. So I haven't installed 3.5 since. But I wonder if those reg keys won't satisfy every app and you actually need 3.5 installed? This is just a general question if anyone knows.

 

I’ve also spent a lot of time on this issue, but I’ve hit a dead end so far. Automatic updates are so convenient, but I haven’t been able to get them to work perfectly yet. Maybe I’m overlooking some small detail that’s causing the glitches?
Here’s the approach I took: First, I ported the entire tool to PowerShell, since it offers more capabilities than a standard tool.
To solve the problem, I added a context menu to the script before the update block, where I could select what I wanted to get from build 26100:

1. 26100 — only the update is applied
2. 26100 to 26200 — the update and migration are applied
3. 26100 to 26300 — the update and migration are applied

And that’s where I run into a problem: if I manually place the updates in the UUP folder to transition image 26100.xxxx to 26200.xxxx or 26300.xxxx, everything works perfectly. But if I use automatic updates, the main, large update downloads and installs without any issues, while the transition update, for some reason, refuses to download. As a result, the image is updated, but it still remains at 26100. It’s frustrating, of course, because automatic updates are very convenient. But I’m not giving up—testing continues...

 

Try this option too.
1.Run the script with automatic update download and 2.then the other commands.

 

Hi @SunLion . We could try slightly changing the approach to update integration in order to eliminate the need to integrate the LCU through W10UI.cmd.

One of the circumstances that makes this approach possible is the .NET Framework 4.8.1 package (ndp481.msu). Microsoft currently distributes it as a single package for both Windows 11 24H2 and 25H2. Together with the other circumstances described below, this allows to build the script without the need for W10UI.cmd.

2. The L1 directory containing `windows11.0-kb5043080-x64.msu` has a static structure (logic) that will not be changed going forward. The package itself can be placed in any other directory without creating conflicts during extraction with other update packages.

The proposed approach keeps the structure simple: L1 is located in its own `UUP\L1` directory, while the other required packages are located in the common `UUP` directory. The processing is performed sequentially. Each required package is first extracted and prepared, after which its contents are used directly during the subsequent integration stage.

In this way, all necessary update preparation is handled by the script, while LCU integration can be performed without using `W10UI.cmd`.

In my opinion, this approach would make the process more independent from `W10UI.cmd`, preserve the existing update-processing logic, and at the same time work correctly with the common package structure for Windows 11 24H2 and 25H2.

If you find this approach worth considering, I would be happy to provide some examples of the extraction and integration process.

 

For @SunLion . Here's an unpacking example.

Code:

echo.
echo ------------------------------------------------------------
echo Extracting Files from MSU L1 Cumulative Update
echo ------------------------------------------------------------

SET "L1Temp=%~dp0UUP\L1temp"

If EXIST "%L1Temp%" RD /S /Q "%L1Temp%"
mkdir "%L1Temp%"
mkdir "%L1Temp%\Temp"

:: Copying PSFExtractor
Copy /y "%~dp0Tools\%HostArchitecture%\PSFExtractor.exe" "%L1Temp%\"

echo.
echo Extracting MSU...
for %%F in ("%~dp0UUP\L1\*.msu") do set "LCUName=%%~nF"
dism /English /Apply-Image /ImageFile:"%~dp0UUP\L1\%LCUName%.msu" /Index:1 /ApplyDir:"%L1Temp%" /NoAcl:all

echo.
echo Extracting express.psf.cix.xml
%_wimlib% extract "%L1Temp%\%LCUName%.wim" 1 express.psf.cix.xml --no-acls --dest-dir="%L1Temp%"

echo.
echo Extracting UpdateCompression.dll
If EXIST "%L1Temp%\DesktopDeployment" RD /Q /S "%L1Temp%\DesktopDeployment" >nul
If EXIST "%L1Temp%\msdelta.dll" DEL /F /Q "%L1Temp%\msdelta.dll" >nul
"%~dp0Tools\%HostArchitecture%\7z.exe" x -y -o"%L1Temp%\DesktopDeployment" "%L1Temp%\DesktopDeployment.cab" >nul
If EXIST "%L1Temp%\DesktopDeployment\UpdateCompression.dll" copy /y "%L1Temp%\DesktopDeployment\UpdateCompression.dll" "%L1Temp%"
If EXIST "%L1Temp%\UpdateCompression.dll" rename "%L1Temp%\UpdateCompression.dll" "msdelta.dll"

echo.
echo Extracting dpx.dll
If EXIST "%L1Temp%\DesktopDeployment\dpx.dll" copy /y "%L1Temp%\DesktopDeployment\dpx.dll" "%L1Temp%"

echo.
echo Extracting PSF files...
"%L1Temp%\PSFExtractor.exe" -v2 "%L1Temp%\%LCUName%.psf" "%L1Temp%\express.psf.cix.xml" "%L1Temp%\Temp"

echo.
echo Extracting WIM files...
%_wimlib% extract "%L1Temp%\%LCUName%.wim" 1 \ --dest-dir="%L1Temp%\Temp" --no-acls --no-attributes


echo.
echo ------------------------------------------------------------
echo Extracting Files from MSU L2 Cumulative Update
echo ------------------------------------------------------------

SET "L2Temp=%~dp0UUP\L2temp"

If EXIST "%L2Temp%" RD /S /Q "%L2Temp%"
mkdir "%L2Temp%"
mkdir "%L2Temp%\Temp"

:: Copying PSFExtractor
Copy /y "%~dp0Tools\%HostArchitecture%\PSFExtractor.exe" "%L2Temp%"

echo.
echo Extracting MSU...

for %%F in ("%~dp0UUP\*.msu") do (
    echo %%~nxF | findstr /I /C:"ndp481.msu" >nul || set "LCUMSU=%%F"
)

dism /English /Apply-Image /ImageFile:"%LCUMSU%" /Index:1 /ApplyDir:"%L2Temp%" /NoAcl:all

:: Get LCU file name without extension
for %%F in ("%LCUMSU%") do set "LCUName=%%~nF"

echo.
echo Extracting express.psf.cix.xml
%_wimlib% extract "%L2Temp%\%LCUName%.wim" 1 express.psf.cix.xml --no-acls --dest-dir="%L2Temp%"

echo.
echo Extracting UpdateCompression.dll
If EXIST "%L2Temp%\DesktopDeployment" RD /Q /S "%L2Temp%\DesktopDeployment" >nul
If EXIST "%L2Temp%\msdelta.dll" DEL /F /Q "%L2Temp%\msdelta.dll" >nul
"%~dp0Tools\%HostArchitecture%\7z.exe" x -y -o"%L2Temp%\DesktopDeployment" "%L2Temp%\DesktopDeployment.cab" >nul
If EXIST "%L2Temp%\DesktopDeployment\UpdateCompression.dll" copy /y "%L2Temp%\DesktopDeployment\UpdateCompression.dll" "%L2Temp%"
If EXIST "%L2Temp%\UpdateCompression.dll" rename "%L2Temp%\UpdateCompression.dll" "msdelta.dll"

echo.
echo Extracting dpx.dll
If EXIST "%L2Temp%\DesktopDeployment\dpx.dll" copy /y "%L2Temp%\DesktopDeployment\dpx.dll" "%L2Temp%"

echo.
echo Extracting PSF files...
"%L2Temp%\PSFExtractor.exe" -v2 "%L2Temp%\%LCUName%.psf" "%L2Temp%\express.psf.cix.xml" "%L2Temp%\Temp"

echo.
echo Extracting WIM files...
%_wimlib% extract "%L2Temp%\%LCUName%.wim" 1 \ --dest-dir="%L2Temp%\Temp" --no-acls --no-attributes

 

For @SunLion. An example of update integration.

Code:

echo.
echo ------------------------------------------------------------
echo Installing cumulative update^(s^)...
echo ------------------------------------------------------------
echo.


echo.
echo.
for %%F in ("%~dp0UUP\*ndp481*.msu") do (
echo Installing: %%~nxF
"%DISM11%" /English /Image:"%MountDir%" /Add-Package /PackagePath:"%%~fF"
If errorlevel 1 (
    echo [ERROR] Failed to install: %%~nxF
) ELSE (
    echo [OK] Installed: %%~nxF
   )
)

echo.
echo.
echo Installing: LCU1
"%DISM11%" /English /Image:"%MountDir%" /add-package /packagepath:"%L1Temp%\Temp\update.mum"
If errorlevel 1 (
    echo [ERROR] Failed to install: LCU1
) ELSE (
    echo [OK] Installed: LCU1
)

echo.
echo Installing SSU...
for %%F in ("%L2Temp%\*SSU-26100*.cab") do (
echo Installing: %%~nxF
"%DISM11%" /English /Image:"%MountDir%" /Add-Package /PackagePath:"%%~fF"
If errorlevel 1 (
    echo [ERROR] Failed to install: %%~nxF
) ELSE (
    echo [OK] Installed: %%~nxF
   )
)

echo.
echo Installing LCU...
"%DISM11%" /English /Image:"%MountDir%" /Add-Package /PackagePath:"%L2Temp%\Temp\update.mum"
If errorlevel 1 (
    echo [ERROR] Failed to install: LCU2
) ELSE (
    echo [OK] Installed LCU2
)


If /i "%ISOSelected%"=="Business" (
echo.
echo ------------------------------------------------------------
echo Integrating 26H2 EP
echo ------------------------------------------------------------
echo.

"%DISM11%" /English /Image:"%MountDir%" /add-package /packagepath:"%~dp0UUP\KB5121794-PSFX\update.mum"
)

For @SunLion. An example of integration with display of package names and without unpacking.

Code:

echo.
echo ------------------------------------------------------------
echo Installing cumulative update^(s^)...
echo ------------------------------------------------------------

echo.
echo.
for %%F in ("%~dp0UUP\*ndp481*.msu") do (
    echo Installing: %%~nxF
    "%DISM11%" /English /Image:"%MountDir%" /Add-Package /PackagePath:"%%~fF"

If errorlevel 1 (
    echo [ERROR] Failed to install: %%~nxF
) ELSE (
    echo [OK] Installed: %%~nxF
   )
)


echo.
echo.
for %%F in ("%~dp0UUP\L1\*.msu") do (
    echo Installing: %%~nxF
    "%DISM11%" /English /Image:"%MountDir%" /Add-Package /PackagePath:"%%~fF"

If errorlevel 1 (
    echo [ERROR] Failed to install: %%~nxF
) ELSE (
    echo [OK] Installed: %%~nxF
   )
)


echo.
echo.
echo Extracting SSU from msu L2
SET "L2Temp=%~dp0UUP\L2temp"

If EXIST "%L2Temp%" RD /S /Q "%L2Temp%" >nul 2>&1
mkdir "%L2Temp%" >nul 2>&1

for %%F in ("%~dp0UUP\*.msu") do (
    echo %%~nxF | findstr /I /C:"ndp481" >nul || "%~dp0Tools\%HostArchitecture%\7z.exe" x -y -o"%~dp0UUP\L2temp" "%%~fF" "*SSU-26100*.cab" >nul 2>&1
)

for %%F in ("%~dp0UUP\L2temp\*SSU-26100*.cab") do (
    echo Installing: %%~nxF
    "%DISM11%" /English /Image:"%MountDir%" /Add-Package /PackagePath:"%%~fF"

If errorlevel 1 (
    echo [ERROR] Failed to install: %%~nxF
) ELSE (
    echo [OK] Installed: %%~nxF
    )
)


echo.
echo.
for %%F in ("%~dp0UUP\*.msu") do (
echo %%~nxF | findstr /i "ndp481" >nul

If errorlevel 1 (
    echo Installing: %%~nxF
    "%DISM11%" /English /Image:"%MountDir%" /Add-Package /PackagePath:"%%~fF"

If errorlevel 1 (
     echo [ERROR] Failed to install: %%~nxF
) ELSE (
     echo [OK] Installed: %%~nxF
    )
  )
)


If /i "%ISOSelected%"=="Business" (
echo.
echo.
for %%F in ("%~dp0UUP\KB5121794\*.msu") do (
     echo Installing: %%~nxF
     "%DISM11%" /English /Image:"%MountDir%" /Add-Package /PackagePath:"%%~fF"

If errorlevel 1 (
    echo [ERROR] Failed to install: %%~nxF
) ELSE (
    echo [OK] Installed: %%~nxF
    )
  )
)

 

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Yes can see edge removal error, though English Please!!