diff --git a/.gitignore b/.gitignore
index 42230edf..f7230e46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -142,4 +142,6 @@ docker/*.whl
 docker/root/*.whl
 docker/root/defaults/examples
 
-.local/
\ No newline at end of file
+.local/
+
+ffmpeg.exe
\ No newline at end of file
diff --git a/src/ytdl_sub/cli/main.py b/src/ytdl_sub/cli/main.py
index f38dbe93..f88f74e8 100644
--- a/src/ytdl_sub/cli/main.py
+++ b/src/ytdl_sub/cli/main.py
@@ -1,11 +1,6 @@
 import argparse
-import errno
-import fcntl
 import gc
-import os
 import sys
-from contextlib import contextmanager
-from pathlib import Path
 from typing import List
 from typing import Tuple
 
@@ -13,8 +8,8 @@ from ytdl_sub.cli.download_args_parser import DownloadArgsParser
 from ytdl_sub.cli.main_args_parser import parser
 from ytdl_sub.config.config_file import ConfigFile
 from ytdl_sub.subscriptions.subscription import Subscription
-from ytdl_sub.utils.exceptions import ValidationException
 from ytdl_sub.utils.file_handler import FileHandlerTransactionLog
+from ytdl_sub.utils.file_lock import working_directory_lock
 from ytdl_sub.utils.logger import Logger
 
 logger = Logger.get()
@@ -119,45 +114,6 @@ def _view_url_from_cli(
     return subscription, subscription.download(dry_run=True)
 
 
-@contextmanager
-def _working_directory_lock(config: ConfigFile):
-    """
-    Create and try to lock the file /tmp/working_directory_name
-
-    Raises
-    ------
-    ValidationException
-        Lock is acquired from another process running ytdl-sub in the same working directory
-    OSError
-        Other lock error occurred
-    """
-    working_directory_path = Path(os.getcwd()) / config.config_options.working_directory
-    lock_file_path = (
-        Path(os.getcwd())
-        / config.config_options.lock_directory
-        / str(working_directory_path).replace("/", "_")
-    )
-
-    lock_file = open(lock_file_path, "w", encoding="utf-8")
-
-    try:
-        fcntl.lockf(lock_file, fcntl.LOCK_EX | fcntl.LOCK_NB)
-    except OSError as exc:
-        if exc.errno in (errno.EACCES, errno.EAGAIN):
-            raise ValidationException(
-                "Cannot run two instances of ytdl-sub "
-                "with the same working directory at the same time"
-            ) from exc
-        lock_file.close()
-        raise exc
-
-    try:
-        yield
-    finally:
-        fcntl.flock(lock_file, fcntl.LOCK_UN)
-        lock_file.close()
-
-
 def main() -> List[Tuple[Subscription, FileHandlerTransactionLog]]:
     """
     Entrypoint for ytdl-sub, without the error handling
@@ -172,7 +128,7 @@ def main() -> List[Tuple[Subscription, FileHandlerTransactionLog]]:
     config: ConfigFile = ConfigFile.from_file_path(args.config).initialize()
     transaction_logs: List[Tuple[Subscription, FileHandlerTransactionLog]] = []
 
-    with _working_directory_lock(config=config):
+    with working_directory_lock(config=config):
         if args.subparser == "sub":
             transaction_logs = _download_subscriptions_from_yaml_files(config=config, args=args)
 
diff --git a/src/ytdl_sub/utils/ffmpeg.py b/src/ytdl_sub/utils/ffmpeg.py
index 2d63de8e..94017e95 100644
--- a/src/ytdl_sub/utils/ffmpeg.py
+++ b/src/ytdl_sub/utils/ffmpeg.py
@@ -1,4 +1,5 @@
 import subprocess
+import sys
 import tempfile
 from typing import Dict
 from typing import List
@@ -26,7 +27,10 @@ class FFMPEG:
     @classmethod
     def _ensure_installed(cls):
         try:
-            subprocess.check_output(["which", "ffmpeg"])
+            if sys.platform.startswith("win32"):
+                subprocess.check_output([".\\ffmpeg", "-version"])
+            else:
+                subprocess.check_output(["which", "ffmpeg"])
         except subprocess.CalledProcessError as subprocess_error:
             raise ValidationException(
                 "Trying to use a feature which requires ffmpeg, but it cannot be found"
diff --git a/src/ytdl_sub/utils/file_lock.py b/src/ytdl_sub/utils/file_lock.py
new file mode 100644
index 00000000..0b18ac41
--- /dev/null
+++ b/src/ytdl_sub/utils/file_lock.py
@@ -0,0 +1,67 @@
+import errno
+import os
+import sys
+from contextlib import contextmanager
+from pathlib import Path
+
+from ytdl_sub.config.config_file import ConfigFile
+from ytdl_sub.utils.exceptions import ValidationException
+from ytdl_sub.utils.logger import Logger
+
+logger = Logger.get()
+
+
+@contextmanager
+def _working_directory_lock_unix(config: ConfigFile):
+    """
+    Create and try to lock the file /tmp/working_directory_name
+
+    Raises
+    ------
+    ValidationException
+        Lock is acquired from another process running ytdl-sub in the same working directory
+    OSError
+        Other lock error occurred
+    """
+    # pylint: disable=import-outside-toplevel
+    import fcntl
+
+    working_directory_path = Path(os.getcwd()) / config.config_options.working_directory
+    lock_file_path = (
+        Path(os.getcwd())
+        / config.config_options.lock_directory
+        / str(working_directory_path).replace("/", "_")
+    )
+
+    lock_file = open(lock_file_path, "w", encoding="utf-8")
+
+    try:
+        fcntl.lockf(lock_file, fcntl.LOCK_EX | fcntl.LOCK_NB)
+    except OSError as exc:
+        if exc.errno in (errno.EACCES, errno.EAGAIN):
+            raise ValidationException(
+                "Cannot run two instances of ytdl-sub "
+                "with the same working directory at the same time"
+            ) from exc
+        lock_file.close()
+        raise exc
+
+    try:
+        yield
+    finally:
+        fcntl.flock(lock_file, fcntl.LOCK_UN)
+        lock_file.close()
+
+
+@contextmanager
+def working_directory_lock(config: ConfigFile):
+    if sys.platform.startswith("win32"):
+        logger.info(
+            "Working directory lock not supported in Windows. "
+            "Ensure only one instance of ytdl-sub runs at once using working directory %s",
+            config.config_options.working_directory,
+        )
+        yield
+    else:
+        with _working_directory_lock_unix(config):
+            yield
diff --git a/tests/resources.py b/tests/resources.py
index c867bb71..911b330a 100644
--- a/tests/resources.py
+++ b/tests/resources.py
@@ -3,9 +3,9 @@ from pathlib import Path
 
 REGENERATE_FIXTURES: bool = False
 
-RESOURCE_PATH = Path("tests/resources")
-_FILE_FIXTURE_PATH = RESOURCE_PATH / "file_fixtures"
+RESOURCE_PATH: Path = Path("tests") / "resources"
+_FILE_FIXTURE_PATH: Path = RESOURCE_PATH / "file_fixtures"
 
 
-def copy_file_fixture(fixture_name: str, output_file_path: str | Path) -> None:
+def copy_file_fixture(fixture_name: str, output_file_path: Path) -> None:
     shutil.copy(_FILE_FIXTURE_PATH / fixture_name, output_file_path)
diff --git a/tests/unit/cli/test_working_directory_lock.py b/tests/unit/cli/test_working_directory_lock.py
index 31700458..98a72397 100644
--- a/tests/unit/cli/test_working_directory_lock.py
+++ b/tests/unit/cli/test_working_directory_lock.py
@@ -3,9 +3,9 @@ import time
 
 import pytest
 
-from ytdl_sub.cli.main import _working_directory_lock
 from ytdl_sub.config.config_file import ConfigFile
 from ytdl_sub.utils.exceptions import ValidationException
+from ytdl_sub.utils.file_lock import working_directory_lock
 
 
 @pytest.fixture
@@ -18,15 +18,15 @@ def config() -> ConfigFile:
 def test_working_directory_lock(config: ConfigFile):
     new_pid = os.fork()
     if new_pid == 0:  # is child
-        with _working_directory_lock(config=config):
+        with working_directory_lock(config=config):
             time.sleep(3)
         return
 
     time.sleep(1)
     with pytest.raises(ValidationException, match="Cannot run two instances of ytdl-sub"):
-        with _working_directory_lock(config=config):
+        with working_directory_lock(config=config):
             time.sleep(1)
 
     time.sleep(3)
-    with _working_directory_lock(config=config):
+    with working_directory_lock(config=config):
         pass