diff --git a/code/custom-conversions/dfend_reloaded_source_releases_to_git.py b/code/custom-conversions/dfend_reloaded_source_releases_to_git.py
index 22e881f3..a91ad6e2 100644
--- a/code/custom-conversions/dfend_reloaded_source_releases_to_git.py
+++ b/code/custom-conversions/dfend_reloaded_source_releases_to_git.py
@@ -49,7 +49,7 @@ def single_release(zip):
 
     # get date from the files (latest of last modified)
     latest_last_modified = 0
-    for dirpath, dirnames, filenames in os.walk(git_path):
+    for dirpath, dirnames, filenames in git_path.walk():
         if dirpath.startswith(git_path / '.git'):
             # not in '.git'
             continue
diff --git a/code/custom-conversions/dungeon_crawl_source_releases_to_git.py b/code/custom-conversions/dungeon_crawl_source_releases_to_git.py
index 9292cc1e..6d75cd14 100644
--- a/code/custom-conversions/dungeon_crawl_source_releases_to_git.py
+++ b/code/custom-conversions/dungeon_crawl_source_releases_to_git.py
@@ -71,7 +71,7 @@ def single_revision():
     global original_date
     if original_date is None:
         latest_last_modified = 0
-        for dirpath, dirnames, filenames in os.walk(nonempty_temp_path):
+        for dirpath, dirnames, filenames in nonempty_temp_path.walk():
             for filename in filenames:
                 filepath = dirpath / filename
                 lastmodified = os.path.getmtime(filepath)
diff --git a/code/custom-conversions/lechemindeladam_svn_to_git.py b/code/custom-conversions/lechemindeladam_svn_to_git.py
index b19a061b..753bb073 100644
--- a/code/custom-conversions/lechemindeladam_svn_to_git.py
+++ b/code/custom-conversions/lechemindeladam_svn_to_git.py
@@ -180,7 +180,7 @@ def delete_global_excludes(folder):
     """
 
     """
-    for dirpath, dirnames, filenames in os.walk(folder):
+    for dirpath, dirnames, filenames in folder.walk():
         rel_path = os.path.relpath(dirpath, folder)
         for file in filenames:
             if file in global_exclude:
@@ -191,7 +191,7 @@ def delete_empty_directories(folder):
     """
 
     """
-    for dirpath, dirnames, filenames in os.walk(folder, topdown=False):
+    for dirpath, dirnames, filenames in folder.walk(topdown=False):
         rel_path = os.path.relpath(dirpath, folder)
         if not filenames and not dirnames:
             os.removedirs(dirpath)
@@ -202,7 +202,7 @@ def list_large_unwanted_files(folder):
 
     """
     output = []
-    for dirpath, dirnames, filenames in os.walk(folder):
+    for dirpath, dirnames, filenames in folder.walk():
         rel_path = os.path.relpath(dirpath, folder)
         for file in filenames:
             file_path = dirpath / file
diff --git a/code/helpers/is_already_included.py b/code/helpers/is_already_included.py
index 260dd405..f4702e0a 100644
--- a/code/helpers/is_already_included.py
+++ b/code/helpers/is_already_included.py
@@ -16,7 +16,7 @@ def similarity(a, b):
 if __name__ == "__main__":
     similarity_threshold = 0.7
 
-    root_path = os.path.realpath(os.path.dirname(__file__) / os.path.pardir)
+    root_path = os.path.realpath(__file__.parent / os.path.pardir)
 
     # read docs/data.json
     data_file = root_path / 'docs', 'data.json'
diff --git a/code/helpers/list_python_external_imports.py b/code/helpers/list_python_external_imports.py
index f107b34a..7f22a19d 100644
--- a/code/helpers/list_python_external_imports.py
+++ b/code/helpers/list_python_external_imports.py
@@ -13,8 +13,11 @@ def local_module(module_base, file_path, module):
     """
     module = module.split('.')
     module[-1] += '.py'
-    pathA = module_base / *module
-    pathB = file_path / *module
+    pathA = module_base
+    pathB = file_path
+    for part in module:
+        pathA /= part
+        pathB /= part
     return pathA.exists() or pathB.exists()
 
 
@@ -32,13 +35,13 @@ def local_module(module_base, file_path, module):
     regex_as = re.compile(r"(as.*)$", re.MULTILINE)
 
     # modify these locations
-    root_folder = r''
-    module_base = r''
+    root_folder = pathlib.Path(r'')
+    module_base = pathlib.Path(r'')
 
     # get all *.py files below the root_folder
     python_files = []
     setup_files = []
-    for dirpath, dirnames, filenames in os.walk(root_folder):
+    for dirpath, dirnames, filenames in root_folder.walk():
         for file in ('setup.py', 'requirements.txt'):
             if file in filenames:
                 setup_files.append(dirpath / file)
@@ -80,7 +83,7 @@ def local_module(module_base, file_path, module):
         matches = regex_from.findall(content)
 
         for match in matches:
-            module = match[0]  # only the from part
+            module = match[0]  # only from part
             module = module.strip()
             if not local_module(module_base, file_path, module):
                 imports.append(module)
diff --git a/code/html/generate_static_website.py b/code/html/generate_static_website.py
index 04112f6a..a8f634dc 100644
--- a/code/html/generate_static_website.py
+++ b/code/html/generate_static_website.py
@@ -223,16 +223,18 @@ def raise_helper(msg):
     raise Exception(msg)
 
 
-def write(text, file):
+def write(text, path):
     """
     Writes a generated HTML page to a file, but checks with a HTML parser before.
     :param text:
     :param file:
     """
     # output file
-    if isinstance(file, str):
-        file = [file]
-    file = c.web_path / file
+    if isinstance(path, str):
+        path = [path]
+    file = c.web_path
+    for part in path:
+        file /= part
 
     # check file hash and use previous version
     if file in previous_files and previous_files[file]['hash'] == file_hash(text):
@@ -248,9 +250,7 @@ def write(text, file):
             raise RuntimeError(e)
 
     # create output directory if necessary
-    containing_dir = os.path.dirname(file)
-    if not containing_dir.is_dir():
-        containing_dir.mkdir()
+    file.parent.mkdir(parents=True, exist_ok=True)
 
     # write text
     utils.write_text(file, text)
@@ -1032,14 +1032,14 @@ def generate(entries, inspirations, developers):
     utils.copy_tree(c.web_template_path / 'js', c.web_js_path)
 
     # copy screenshots path
-    files = [file for file in c.screenshots_path.iterdir() if file.endswith('.jpg')]
+    filenames = [file.name for file in c.screenshots_path.iterdir() if file.suffix == '.jpg']
     c.web_screenshots_path.mkdir(parents=True, exist_ok=True)
-    for file in files:
-        shutil.copyfile(c.screenshots_path / file, c.web_screenshots_path / file)
+    for filename in filenames:
+        shutil.copyfile(c.screenshots_path / filename, c.web_screenshots_path / filename)
 
     # collage_image and google search console token and favicon.svg
-    for file in ('collage_games.jpg', 'google1f8a3863114cbcb3.html', 'favicon.svg'):
-        shutil.copyfile(c.web_template_path / file, c.web_path / file)
+    for filename in ('collage_games.jpg', 'google1f8a3863114cbcb3.html', 'favicon.svg'):
+        shutil.copyfile(c.web_template_path / filename, c.web_path / filename)
 
     # create Jinja Environment
     environment = Environment(loader=FileSystemLoader(c.web_template_path), autoescape=True)
@@ -1287,12 +1287,12 @@ def generate(entries, inspirations, developers):
 
     # create dictionary of file hashes
     print('estimate file hashes')
-    for dirpath, dirnames, filenames in os.walk(c.web_path):  # TODO in Python 3.12 Path.walk() exists
-        for file in filenames:
-            if any(file.endswith(ext) for ext in ('.html', '.svg')):
-                file = pathlib.Path(dirpath) / file
-                text = utils.read_text(file)
-                previous_files[file] = {'hash': file_hash(text), 'text': text}
+    for dirpath, dirnames, filenames in c.web_path.walk():  # TODO in Python 3.12 Path.walk() exists
+        for filename in filenames:
+            if any(filename.endswith(ext) for ext in ('.html', '.svg')):
+                filename = dirpath / filename
+                text = utils.read_text(filename)
+                previous_files[filename] = {'hash': file_hash(text), 'text': text}
 
     # clean the output directory
     print('clean current static website')
diff --git a/code/html/osgameclones_download_images_create_collage.py b/code/html/osgameclones_download_images_create_collage.py
index c040d6ad..68865267 100644
--- a/code/html/osgameclones_download_images_create_collage.py
+++ b/code/html/osgameclones_download_images_create_collage.py
@@ -184,7 +184,7 @@ def assemble_collage():
     N = Nx * Ny
 
     # paths
-    root_path = os.path.realpath(os.path.dirname(__file__) / os.path.pardir)
+    root_path = os.path.realpath(__file__.parent / os.path.pardir)
     download_path = root_path / 'code' / 'images-download'
     downsized_path = download_path / 'downsized'
     output_file = root_path / 'code' / 'collage_games.jpg'
diff --git a/code/maintenance_entries.py b/code/maintenance_entries.py
index eda79ac5..c34c20a3 100644
--- a/code/maintenance_entries.py
+++ b/code/maintenance_entries.py
@@ -114,7 +114,6 @@ def write_entries(self):
         osg.write_entries(self.entries)
         print('entries written')
 
-
     def check_template_leftovers(self):
         """
         Checks for template leftovers.
@@ -130,7 +129,7 @@ def check_template_leftovers(self):
 
             for check_string in check_strings:
                 if content.find(check_string) >= 0:
-                    print(f'{os.path.basename(entry_path)}: found {check_string}')
+                    print(f'{entry_path.parent}: found {check_string}')
         print('checked for template leftovers')
 
     def check_inconsistencies(self):
diff --git a/code/requirements.txt b/code/requirements.txt
index 0ac2b1bb..96712ecd 100644
--- a/code/requirements.txt
+++ b/code/requirements.txt
@@ -1,7 +1,7 @@
 pygithub
 lark-parser
 BeautifulSoup4
-PyQt5
+PySide6
 wikipedia
 Jinja2
 html5lib
diff --git a/code/synchronization/osgameclones_synchronization.py b/code/synchronization/osgameclones_synchronization.py
index 548baa8f..623449b1 100644
--- a/code/synchronization/osgameclones_synchronization.py
+++ b/code/synchronization/osgameclones_synchronization.py
@@ -1,4 +1,4 @@
-"""
+"""
 
 osgameclones has the following fields:
 'updated', 'video', 'repo', 'license', 'originals', 'status', 'multiplayer', 'info', 'lang', 'feed', 'content', 'images', 'url', 'name', 'framework', 'type', 'development'
@@ -152,7 +152,7 @@ def create_many_to_one_mapping(map):
     download_missing_screenshots = False
 
     # paths
-    root_path = os.path.realpath(os.path.dirname(__file__) / os.path.pardir, os.path.pardir)
+    root_path = c.root_path
 
     # read our database
     our_entries = osg.read_entries()
@@ -171,8 +171,7 @@ def create_many_to_one_mapping(map):
     screenshots = osg.read_screenshots_overview()
 
     # import osgameclones data
-    osgc_path = os.path.realpath(os.path.join(root_path, os.path.pardir, '11_osgameclones.git',
-                                              'games'))  # this is specific for my local constellation
+    osgc_path = root_path.parent / '11_osgameclones.git' / 'games'  # this is specific for my local constellation
     osgc_files = osgc_path.iterdir()
 
     # iterate over all yaml files in osgameclones/data folder and load contents
@@ -499,10 +498,10 @@ def create_many_to_one_mapping(map):
             print(f'create new entry for {osgc_name}')
             file_name = osg.canonical_name(osgc_name) + '.md'
             target_file = c.entries_path / file_name
-            if os.path.isfile(target_file):
+            if target_file.is_file():
                 print(f'warning: file {file_name} already existing, save under slightly different name')
                 target_file = c.entries_path / file_name[:-3] + '-duplicate.md'
-                if os.path.isfile(target_file):
+                if target_file.is_file():
                     continue  # just for safety reasons
 
             # add Title and File
diff --git a/code/synchronization/screenshot_import_bzt.py b/code/synchronization/screenshot_import_bzt.py
index ef82daf1..b4fb2c28 100644
--- a/code/synchronization/screenshot_import_bzt.py
+++ b/code/synchronization/screenshot_import_bzt.py
@@ -13,7 +13,7 @@
 
 if __name__ == "__main__":
     # paths
-    root_path = os.path.realpath(os.path.dirname(__file__) / os.path.pardir, os.path.pardir)
+    root_path = os.path.realpath(__file__.parent / os.path.pardir, os.path.pardir)
 
     # read content of screenshots_bzt.txt
     info = u.read_text(root_path / 'code' / 'synchronization' / 'screenshots_bzt.txt')
diff --git a/code/utils/osg_ui.py b/code/utils/osg_ui.py
index fd680e8e..3543a48e 100644
--- a/code/utils/osg_ui.py
+++ b/code/utils/osg_ui.py
@@ -3,7 +3,7 @@
 """
 
 import sys
-from PyQt5 import QtCore, QtGui, QtWidgets
+from PySide6 import QtCore, QtGui, QtWidgets
 
 
 def exception_hook(type, value, traceback):
@@ -20,7 +20,7 @@ def run_simple_button_app(title, actions):
     :param actions:
     :return:
     """
-    # fix PyQt5 eating exceptions (see http://stackoverflow.com/q/14493081/1536976)
+    # fix PySide6 eating exceptions (see http://stackoverflow.com/q/14493081/1536976)
     sys.excepthook = exception_hook
 
     # create app
diff --git a/code/utils/utils.py b/code/utils/utils.py
index 13e20461..039f20e1 100644
--- a/code/utils/utils.py
+++ b/code/utils/utils.py
@@ -98,9 +98,9 @@ def detect_archive_type(name):
 
 def folder_size(path):
     size = 0
-    for dirpath, dirnames, filenames in os.walk(path):
+    for dirpath, dirnames, filenames in path.walk():
         for file in filenames:
-            size += os.path.getsize(dirpath / file)
+            size += (dirpath / file).stat().st_size
     return size
 
 
@@ -138,7 +138,7 @@ def determine_latest_last_modified_date(folder):
     "last modified" date of all these files.
     """
     latest_last_modified = 0
-    for dirpath, dirnames, filenames in os.walk(folder):
+    for dirpath, dirnames, filenames in folder.walk():
         for filename in filenames:
             filepath = dirpath / filename
             lastmodified = os.path.getmtime(filepath)
@@ -173,13 +173,17 @@ def copy_tree(source, destination):
     # this gave an FileNotFoundError: [Errno 2] No such file or directory: '' on Windows
     # distutils.dir_util.copy_tree(archive_path, git_path)
     destination.mkdir(parents=True, exist_ok=True)
-    for dirpath, dirnames, filenames in os.walk(source):  # TODO replace os.walk with path.walk (Python 3.12)
-        # first create all the directory on destination
-        for directory in (destination / os.path.relpath(os.path.join(dirpath, x, source)) for x in dirnames):
+
+    for dirpath, dirnames, filenames in source.walk():
+        # first create all the directories on destination
+        destination_path = destination / dirpath.relative_to(source)
+        for directory in (destination_path / dirname for dirname in dirnames):
             directory.mkdir(parents=True, exist_ok=True)
+
         # second copy all the files
-        for source_file in (pathlib.Path(dirpath) / x for x in filenames):
-            destination_file = destination / os.path.relpath(source_file, source)
+        for filename in filenames:
+            source_file = dirpath / filename
+            destination_file = destination_path / filename
             shutil.copyfile(source_file, destination_file)