diff --git a/src/config.py b/src/config.py
index f11e341..29f7318 100644
--- a/src/config.py
+++ b/src/config.py
@@ -1,7 +1,23 @@
+from os import path
 from pathlib import Path
+from sys import platform
 
 from pydantic import BaseModel
-from pydantic_settings import BaseSettings  # , SettingsConfigDict
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+app_name = "DocuMentor"
+
+
+if platform == "win32":
+    config_path = f"%APPDATA%\\{app_name}\\config.json"
+elif platform == "linux" or platform == "linux2":
+    config_path = f"~/.config/{app_name}/config.json"
+elif platform == "darwin":
+    config_path = f"~/Library/Application Support/{app_name}/͏͏͏͏config.json"
+else:
+    config_path = f"~/.config/{app_name}/config.json"
+
+config_path = Path(path.expandvars(config_path))
 
 
 class JavaVm(BaseModel):
@@ -51,17 +67,31 @@ class PdfProject(BaseModel):
 
 
 class AppSettings(BaseSettings):
-    java_vms: list[JavaVm]
-    diff_pdfs: list[DiffPdf]
-    saxon_jars: list[SaxonJar]
-    apache_fops: list[ApacheFop]
-    xsl_dirs: list[XslDir]
+    java_vms: list[JavaVm] = []
+    diff_pdfs: list[DiffPdf] = []
+    saxon_jars: list[SaxonJar] = []
+    apache_fops: list[ApacheFop] = []
+    xsl_dirs: list[XslDir] = []
     pdf_projects: list[PdfProject] = []
 
+    model_config = SettingsConfigDict(json_file=config_path)
+
+app_settings = AppSettings()
+
+if not config_path.exists():
+    # Datei existert nicht
+    if not config_path.parent.exists():
+        # Ordner existiert nicht
+        config_path.parent.mkdir()
+    
+    # Konfiguration speichern
+    with open(config_path, "wb") as c:
+        c.write(app_settings.model_dump_json(indent=4).encode())
+
 
 class PdfProjectSettings(BaseSettings):
     """
-    Speichert Projekt-Einstellungen direkt im Ordner des Projekts in einer Klartextdatei (JSON, YAML oder XML)
+    Speichert Projekt-Einstellungen direkt im Ordner des Projekts in einer Klartextdatei JSON
     """
 
     pass