diff --git a/rewind/paths.py b/rewind/paths.py
index e6e1c74..5745341 100644
--- a/rewind/paths.py
+++ b/rewind/paths.py
@@ -1,15 +1,65 @@
 #!/usr/bin/env python3
 import os
+import platform
 from pathlib import Path
 
 APP_NAME = "rewind"
 
-def get_config_dir() -> Path:
-    base = os.environ.get("XDG_CONFIG_HOME", Path.home() / ".config")
-    return Path(base) / APP_NAME
+def _create_dirs(path: Path) -> None:
+    if not path.exists():
+        path.mkdir(parents=True, exist_ok=True)
 
+"""
+Returns the path to the directory where config files should be stored, creating it if it doesn't exist.
+The location is determined based on the operating system:
+- Linux: Uses XDG_CONFIG_HOME environment variable or defaults to ~/.config/rewind
+- macOS: Uses ~/Library/Application Support/rewind
+- Windows: Uses APPDATA environment variable or defaults to %APPDATA%\rewind
+"""
+def get_config_dir() -> Path:
+    system = platform.system()
+    home = Path.home()
+
+    if system == "Linux":
+        base = os.environ.get("XDG_CONFIG_HOME", home / ".config")
+        path = Path(base) / APP_NAME
+        _create_dirs(path)
+        return path
+    elif system == "Darwin":
+        path = home / "Library" / "Application Support" / APP_NAME
+        _create_dirs(path)
+        return path
+    elif system == "Windows":
+        path = Path(os.environ.get("APPDATA", home / "AppData" / "Roaming")) / APP_NAME
+        _create_dirs(path)
+        return path
+    else:
+        raise OSError("Unsupported operating system")
+
+"""
+Returns the path to the directory where state files should be stored, creating it if it doesn't exist.
+The location is determined based on the operating system:
+- Linux: Uses XDG_STATE_HOME environment variable or defaults to ~/.local/state/rewind
+- macOS: Uses ~/Library/Application Support/rewind/state
+- Windows: Uses LOCALAPPDATA environment variable or defaults to %LOCALAPPDATA%\rewind\state
+"""
 def get_state_dir() -> Path:
-    base = os.path.expanduser("~/.local/share")
-    path = Path(base) / APP_NAME
-    path.mkdir(parents=True, exist_ok=True)
-    return path
+    system = platform.system()
+    home = Path.home()
+
+    if system == "Linux":
+        base = os.environ.get("XDG_STATE_HOME", home / ".local" / "state")
+        path = Path(base) / APP_NAME
+        _create_dirs(path)
+        return path
+    elif system == "Darwin":
+        path = home / "Library" / "Application Support" / APP_NAME / "state"
+        _create_dirs(path)
+        return path
+    elif system == "Windows":
+        base = Path(os.environ.get("LOCALAPPDATA", home / "AppData" / "Local"))
+        path = base / APP_NAME / "state"
+        _create_dirs(path)
+        return path
+    else:
+        raise OSError("Unsupported operating system")
\ No newline at end of file