diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 91dd900..149772b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -51,7 +51,7 @@ jobs:
         run: python scripts/prepare_remote_fallbacks.py
 
       - name: Syntax check
-        run: python -m py_compile setup_tool.py setup_tool_dynamic.py remote_packages.py tests/test_safety.py scripts/prepare_remote_fallbacks.py
+        run: python -m py_compile setup_tool.py setup_tool_dynamic.py setup_tool_responsive.py remote_packages.py tests/test_safety.py scripts/prepare_remote_fallbacks.py
 
       - name: Unit safety tests
         run: python -m unittest discover -s tests -v
@@ -66,7 +66,7 @@ jobs:
           --add-data "Payload;Payload"
           --add-data "vanilla-tweaks.exe;."
           --name "WoW_Modernization_Tool"
-          setup_tool_dynamic.py
+          setup_tool_responsive.py
 
       - name: Verify EXE exists
         shell: pwsh
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 4eaf5e0..5e42c85 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -21,6 +21,7 @@ This update focuses on **better compatibility, safer WoW.exe patching and improv
 ## 🛡️ Reliability
 
 - DXVK exclusive fullscreen is now disabled by default to avoid black screens during Alt+Tab on Windows.
+- The Tool window now adapts better to Windows display scaling and smaller screens, keeping **Apply Setup & Tweaks** accessible.
 - Expanded automated tests for installation ordering, recovery and executable patching.
 - Improved rollback behavior to reduce the risk of partial installations.
 
diff --git a/setup_tool_responsive.py b/setup_tool_responsive.py
new file mode 100644
index 0000000..68fcfa8
--- /dev/null
+++ b/setup_tool_responsive.py
@@ -0,0 +1,51 @@
+import tkinter as tk
+from tkinter import ttk
+
+import setup_tool_dynamic
+
+
+class ResponsiveModernWowSetupTool(setup_tool_dynamic.ModernWowSetupTool):
+    """Production entry point with DPI/display-scaling-safe window behavior."""
+
+    def __init__(self, root):
+        super().__init__(root)
+
+        # Preserve all existing installer behavior and only change how the
+        # top-level Tk window allocates and exposes its controls.
+        root.resizable(True, True)
+
+        # Reserve the bottom action button before the expandable notebook so
+        # Windows DPI/text scaling cannot push Apply outside the visible area.
+        notebook = next(
+            (child for child in root.winfo_children() if isinstance(child, ttk.Notebook)),
+            None,
+        )
+        apply_button = getattr(self, "apply_button", None)
+        if notebook is not None and apply_button is not None:
+            notebook.pack_forget()
+            apply_button.pack_forget()
+            apply_button.pack(side="bottom", pady=10, fill="x", padx=20)
+            notebook.pack(fill="both", expand=True, padx=10, pady=(5, 10))
+
+        root.update_idletasks()
+
+        # Prefer the widgets' requested size when the monitor has room, while
+        # keeping a margin so the window remains reachable on smaller screens.
+        screen_width = max(1, root.winfo_screenwidth())
+        screen_height = max(1, root.winfo_screenheight())
+        max_width = max(640, screen_width - 80)
+        max_height = max(520, screen_height - 80)
+
+        requested_width = max(680, root.winfo_reqwidth())
+        requested_height = max(660, root.winfo_reqheight())
+        width = min(requested_width, max_width)
+        height = min(requested_height, max_height)
+
+        root.geometry(f"{width}x{height}")
+        root.minsize(min(640, max_width), min(520, max_height))
+
+
+if __name__ == "__main__":
+    root = tk.Tk()
+    app = ResponsiveModernWowSetupTool(root)
+    root.mainloop()