diff --git a/generate_a_winpython_distro.bat b/generate_a_winpython_distro.bat
index 51d8cc67..522a5239 100644
--- a/generate_a_winpython_distro.bat
+++ b/generate_a_winpython_distro.bat
@@ -61,7 +61,7 @@ call %my_buildenv%\scripts\env.bat
 
 REM Create basic build infrastructure
 echo "(%date% %time%) Create basic build infrastructure">>%my_archive_log%
-python.exe -c "from make import *;make_all(%my_release%, '%my_release_level%', basedir_wpy=r'%my_WINPYDIRBASE%', verbose=True, flavor='%my_flavor%', install_options=r'%my_install_options%', find_links=r'%my_find_links%', source_dirs=r'%my_source_dirs%', toolsdirs=r'%my_toolsdirs%', create_installer='False', python_target_release='%my_python_target_release%')">>%my_archive_log%
+python.exe -c "from make import *;make_all(%my_release%, '%my_release_level%', basedir_wpy=r'%my_WINPYDIRBASE%', verbose=True, flavor='%my_flavor%', install_options=r'%my_install_options%', find_links=r'%my_find_links%', source_dirs=r'%my_source_dirs%', toolsdirs=r'%my_toolsdirs%', create_installer='False')">>%my_archive_log%
 
 REM Check infrastructure is in place
 echo "(%date% %time%) Check infrastructure">>%my_archive_log%
@@ -70,7 +70,7 @@ set WINPYDIRBASE=%my_WINPYDIRBASE%
 if not exist %my_WINPYDIRBASE%\scripts\env.bat (
  @echo off
  echo as %my_WINPYDIRBASE%\scripts\env.bat does not exist
- echo please check and correct my_python_target_release=%my_python_target_release% 
+ echo please check and correct:
  echo     my_arch=%my_arch%
  echo     my_python_target_release=%my_python_target_release%
  echo     my_release=%my_release%
@@ -206,12 +206,19 @@ call %my_WINPYDIRBASE%\scripts\env.bat
 
 REM Generate changelog and binaries
 echo "(%date% %time%) Generate changelog and binaries">>%my_archive_log%
-set path=%my_original_path%
-cd /D %~dp0
-call %my_buildenv%\scripts\env.bat
 
-python.exe -c "from make import *;make_all(%my_release%, '%my_release_level%', basedir_wpy=r'%my_WINPYDIRBASE%', verbose=True, flavor='%my_flavor%', install_options=r'%my_install_options%', find_links=r'%my_find_links%', source_dirs=r'%my_source_dirs%', create_installer='%my_create_installer%', rebuild=False, python_target_release='%my_python_target_release%')" >> %my_archive_log%
+rem markdowm and markdown diff
+set mdn=WinPython%my_flavor%-%my_arch%bit-%WINPYVER2%.md
+%target_python_exe% -m wppm -md>%my_basedir%\bu%my_flavor%\%mdn%
+copy/y %my_basedir%\bu%my_flavor%\%mdn% %~dp0changelogs\%mdn%
+
+set out=WinPython%my_flavor%-%my_arch%bit-%WINPYVER2%_History.md
+%target_python_exe% -c "from wppm import diff ;a=(diff.compare_package_indexes(r'%WINPYVER2%', searchdir=r'%~dp0changelogs',flavor=r'%my_flavor%',architecture=%my_arch%));f=open(r'%my_basedir%\bu%my_flavor%\%out%','w', encoding='utf-8');f.write(a);f.close()" 
+copy/y %my_basedir%\bu%my_flavor%\%out% %~dp0changelogs\%out%
 
+rem compress
+set stem=WinPython%my_arch%-%WINPYVER2%%my_flavor%
+%target_python_exe% -c "from wppm import utils;utils.command_installer_7zip(r'%my_WINPYDIRBASE%', r'%my_WINPYDIRBASE%\..',r'%stem%', r'%my_create_installer%')" 
 
 echo -------------------------------------- >>%my_archive_log%
 echo "(%date% %time%) END OF CREATION">>%my_archive_log%
diff --git a/make.py b/make.py
index 66e243c9..d6543e68 100644
--- a/make.py
+++ b/make.py
@@ -119,24 +119,6 @@ def architecture_bits(self) -> int:
         """Returns the architecture (32 or 64 bits) of the distribution."""
         return self.distribution.architecture if self.distribution else 64
 
-    def create_installer_7zip(self, installer_type: str = "exe", compression= "mx5"):
-        """Creates a WinPython installer using 7-Zip: "exe", "7z", "zip")"""
-        self._print_action(f"Creating WinPython installer ({installer_type})")
-        DISTDIR = self.winpython_directory
-        filename_stem = f"Winpython{self.architecture_bits}-{self.python_full_version}.{self.build_number}{self.flavor}{self.release_level}"
-        fullfilename = DISTDIR.parent / (filename_stem + "." + installer_type)
-        if installer_type not in ["exe", "7z", "zip"]:
-            return
-        sfx_option = "-sfx7z.sfx" if installer_type == "exe" else ""
-        zip_option = "-tzip" if installer_type == "zip" else ""
-        compress_level = "mx5" if compression == "" else compression 
-        command = f'"{utils.find_7zip_executable()}" {zip_option} -{compress_level} a "{fullfilename}" "{DISTDIR}" {sfx_option}'
-        print(f'Executing 7-Zip script: "{command}"')
-        try:
-            subprocess.run(command, shell=True, check=True, stderr=sys.stderr, stdout=sys.stderr)
-        except subprocess.CalledProcessError as e:
-            print(f"Error executing 7-Zip script: {e}", file=sys.stderr)
-
     def _print_action(self, text: str):
         """Prints an action message with progress indicator."""
         if self.verbose:
@@ -254,9 +236,6 @@ def make_all(build_number: int, release_level: str, basedir_wpy: Path = None,
 
     builder.build(rebuild=rebuild, winpy_dir=winpy_dir)
 
-    for commmand in create_installer.lower().replace("7zip",".exe").split('.'):
-        installer_type, compression = (commmand + "-").split("-")[:2]
-        builder.create_installer_7zip(installer_type, compression)
 
 if __name__ == "__main__":
     # DO create only one Winpython distribution at a time