diff --git a/.gitignore b/.gitignore
index 517ca32..600778e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 .venv
-*.db
\ No newline at end of file
+*.db
+/dist
+/build
+__pycache__/
\ No newline at end of file
diff --git a/UFF-Search.spec b/UFF-Search.spec
new file mode 100644
index 0000000..1563e28
--- /dev/null
+++ b/UFF-Search.spec
@@ -0,0 +1,38 @@
+# -*- mode: python ; coding: utf-8 -*-
+
+
+a = Analysis(
+    ['uff_app.py'],
+    pathex=[],
+    binaries=[],
+    datas=[],
+    hiddenimports=['rapidfuzz', 'pypdf'],
+    hookspath=[],
+    hooksconfig={},
+    runtime_hooks=[],
+    excludes=[],
+    noarchive=False,
+    optimize=0,
+)
+pyz = PYZ(a.pure)
+
+exe = EXE(
+    pyz,
+    a.scripts,
+    a.binaries,
+    a.datas,
+    [],
+    name='UFF-Search',
+    debug=False,
+    bootloader_ignore_signals=False,
+    strip=False,
+    upx=True,
+    upx_exclude=[],
+    runtime_tmpdir=None,
+    console=False,
+    disable_windowed_traceback=False,
+    argv_emulation=False,
+    target_arch=None,
+    codesign_identity=None,
+    entitlements_file=None,
+)
diff --git a/UFF_Search_Installer_v3.exe b/UFF_Search_Installer_v3.exe
new file mode 100644
index 0000000..0cf5d86
Binary files /dev/null and b/UFF_Search_Installer_v3.exe differ
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..6bb09ce
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+pypdf
+rapidfuzz
+PyQt6
\ No newline at end of file
diff --git a/setup-file.iss b/setup-file.iss
new file mode 100644
index 0000000..c35bc76
--- /dev/null
+++ b/setup-file.iss
@@ -0,0 +1,52 @@
+; -- UFF-Search Installer Skript --
+
+[Setup]
+; Der Name, der überall steht
+AppName=UFF Text Search
+AppVersion=3.0
+AppPublisher=Konstantin Roßmann
+AppPublisherURL=https://rossmann-it-solutions.de
+
+; Wo soll standardmäßig installiert werden? {autopf} ist "Program Files"
+DefaultDirName={autopf}\UFF-Search
+; Name der Gruppe im Startmenü
+DefaultGroupName=UFF Search
+
+; Speicherort der fertigen setup.exe (z.B. auf dem Desktop oder im Projektordner)
+OutputDir=.
+OutputBaseFilename=UFF_Search_Installer_v3
+Compression=lzma
+SolidCompression=yes
+
+; Icon für den Installer selbst (optional, sonst weglassen)
+; SetupIconFile=app.ico 
+
+; Administrator-Rechte anfordern für Installation in Program Files
+PrivilegesRequired=admin
+
+[Languages]
+Name: "german"; MessagesFile: "compiler:Languages\German.isl"
+
+[Tasks]
+; Checkbox: "Desktop Verknüpfung erstellen"
+Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
+
+[Files]
+; !!! WICHTIG: HIER DEN PFAD ZU DEINER EXE ANPASSEN !!!
+; "Source" muss auf die Datei zeigen, die PyInstaller im "dist" Ordner erstellt hat.
+Source: "C:\Users\konst\Arbeit\unsorted-folder-full-text-search\dist\UFF-Search.exe"; DestDir: "{app}"; Flags: ignoreversion
+
+; Falls du ein Icon mitliefern willst (optional)
+; Source: "C:\Pfad\Zu\Deinem\Projekt\app.ico"; DestDir: "{app}"; Flags: ignoreversion
+
+[Icons]
+; Verknüpfung im Startmenü
+Name: "{group}\UFF Text Search"; Filename: "{app}\UFF-Search.exe"
+; Verknüpfung zum Deinstallieren
+Name: "{group}\Uninstall UFF Search"; Filename: "{uninstallexe}"
+; Verknüpfung auf dem Desktop (wenn vom User ausgewählt)
+Name: "{commondesktop}\UFF Text Search"; Filename: "{app}\UFF-Search.exe"; Tasks: desktopicon
+
+[Run]
+; Checkbox am Ende: "Programm jetzt starten"
+Description: "{cm:LaunchProgram,UFF Text Search}"; Filename: "{app}\UFF-Search.exe"; Flags: nowait postinstall skipifsilent
\ No newline at end of file
diff --git a/uff_app.py b/uff_app.py
index d36e63f..b83d239 100644
--- a/uff_app.py
+++ b/uff_app.py
@@ -16,8 +16,28 @@ from PyQt6.QtGui import QDesktopServices
 # --- 1. DATENBANK MANAGER (Mit Fuzzy-Ranking) ---
 
 class DatabaseHandler:
-    def __init__(self, db_name="uff_index.db"):
-        self.db_name = db_name
+    def __init__(self):
+        # 1. Wir ermitteln den korrekten AppData Ordner für den User
+        # Windows: C:\Users\Name\AppData\Local\UFF_Search
+        if os.name == 'nt':
+            base_dir = os.getenv('LOCALAPPDATA')
+        else:
+            # Mac/Linux: ~/.local/share/uff_search
+            base_dir = os.path.join(os.path.expanduser("~"), ".local", "share")
+
+        # 2. Wir erstellen unseren eigenen Unterordner
+        self.app_data_dir = os.path.join(base_dir, "UFF_Search")
+        
+        # Falls der Ordner nicht existiert, erstellen wir ihn
+        if not os.path.exists(self.app_data_dir):
+            os.makedirs(self.app_data_dir)
+
+        # 3. Der Pfad zur Datenbank
+        self.db_name = os.path.join(self.app_data_dir, "uff_index.db")
+        
+        # Debug-Info (falls du es im Terminal testest)
+        print(f"Datenbank Pfad: {self.db_name}")
+
         self.init_db()
 
     def init_db(self):
@@ -324,7 +344,12 @@ class UffWindow(QMainWindow):
     def start_indexing(self, folder):
         self.set_ui_busy(True)
         self.lbl_status.setText(f"Starte... {os.path.basename(folder)}")
-        self.indexer_thread = IndexerThread(folder)
+        
+        # HIER WAR DER FEHLER:
+        # Wir müssen dem Thread explizit sagen, wo die Datenbank liegt!
+        # self.db.db_name enthält den korrekten Pfad (C:\Users\...\AppData\...)
+        self.indexer_thread = IndexerThread(folder, db_name=self.db.db_name)
+        
         self.indexer_thread.progress_signal.connect(lambda msg: self.lbl_status.setText(msg))
         self.indexer_thread.finished_signal.connect(self.indexing_finished)
         self.indexer_thread.start()