diff --git a/src/app/cosmic.rs b/src/app/cosmic.rs
index 030ed041..da006b6d 100644
--- a/src/app/cosmic.rs
+++ b/src/app/cosmic.rs
@@ -411,7 +411,7 @@ where
     pub fn style(&self, theme: &Theme) -> theme::Style {
         if let Some(style) = self.app.style() {
             style
-        } else if self.app.core().window.is_maximized {
+        } else if self.app.core().window.is_maximized || !self.app.core().window.client_decorations {
             let theme = THEME.lock().unwrap();
             crate::style::iced::application::style(theme.borrow())
         } else {
diff --git a/src/app/mod.rs b/src/app/mod.rs
index f78beac7..65f1946e 100644
--- a/src/app/mod.rs
+++ b/src/app/mod.rs
@@ -75,7 +75,14 @@ pub(crate) fn iced_settings<App: Application>(
         window_settings.resize_border = border_size as u32;
         window_settings.resizable = true;
     }
-    window_settings.decorations = !settings.client_decorations;
+
+    core.window.client_decorations = if cfg!(any(target_os = "windows", target_os = "macos")) {
+        settings.client_decorations || crate::config::client_decorations()
+    } else {
+        settings.client_decorations && crate::config::client_decorations()
+    };
+    window_settings.decorations = !core.window.client_decorations;
+
     window_settings.size = settings.size;
     let min_size = settings.size_limits.min();
     if min_size != iced::Size::ZERO {
@@ -610,7 +617,7 @@ impl<App: Application> ApplicationExt for App {
     fn view_main(&self) -> Element<'_, crate::Action<Self::Message>> {
         let core = self.core();
         let is_condensed = core.is_condensed();
-        let sharp_corners = core.window.sharp_corners;
+        let sharp_corners = core.window.sharp_corners || !core.window.client_decorations;
         let maximized = core.window.is_maximized;
         let content_container = core.window.content_container;
         let show_context = core.window.show_context;
@@ -774,7 +781,6 @@ impl<App: Application> ApplicationExt for App {
                         .maximized(maximized)
                         .sharp_corners(sharp_corners)
                         .transparent(content_container)
-                        .title(&core.window.header_title)
                         .on_drag(crate::Action::Cosmic(Action::Drag))
                         .on_right_click(crate::Action::Cosmic(Action::ShowWindowMenu))
                         .on_double_click(crate::Action::Cosmic(Action::Maximize));
@@ -791,19 +797,23 @@ impl<App: Application> ApplicationExt for App {
 
                         header = header.start(toggle);
                     }
+                    if core.window.client_decorations {
+                        header = header.title(&core.window.header_title);
+                        
+                        if core.window.show_close {
+                            header = header.on_close(crate::Action::Cosmic(Action::Close));
+                        }
+
+                        if core.window.show_maximize && crate::config::show_maximize() {
+                            header = header.on_maximize(crate::Action::Cosmic(Action::Maximize));
+                        }
+
+                        if core.window.show_minimize && crate::config::show_minimize() {
+                            header = header.on_minimize(crate::Action::Cosmic(Action::Minimize));
+                        }
 
-                    if core.window.show_close {
-                        header = header.on_close(crate::Action::Cosmic(Action::Close));
                     }
-
-                    if core.window.show_maximize && crate::config::show_maximize() {
-                        header = header.on_maximize(crate::Action::Cosmic(Action::Maximize));
-                    }
-
-                    if core.window.show_minimize && crate::config::show_minimize() {
-                        header = header.on_minimize(crate::Action::Cosmic(Action::Minimize));
-                    }
-
+                   
                     for element in self.header_start() {
                         header = header.start(element.map(crate::Action::App));
                     }
diff --git a/src/app/settings.rs b/src/app/settings.rs
index 5c903f09..19efcde7 100644
--- a/src/app/settings.rs
+++ b/src/app/settings.rs
@@ -83,6 +83,9 @@ impl Default for Settings {
             #[cfg(all(feature = "wayland", target_os = "linux"))]
             autosize: false,
             no_main_window: false,
+            #[cfg(any(target_os = "windows", target_os = "macos"))]
+            client_decorations: false,
+            #[cfg(target_os = "linux")]
             client_decorations: true,
             debug: false,
             default_font: font::default(),
diff --git a/src/config/mod.rs b/src/config/mod.rs
index 9807961c..a343cada 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -43,6 +43,11 @@ pub fn apply_theme_global() -> bool {
     COSMIC_TK.read().unwrap().apply_theme_global
 }
 
+/// Enable client-side decorations.
+pub fn client_decorations() -> bool {
+    COSMIC_TK.read().unwrap().client_decorations
+}
+
 /// Show minimize button in window header.
 #[allow(clippy::missing_panics_doc)]
 pub fn show_minimize() -> bool {
@@ -95,6 +100,9 @@ pub struct CosmicTk {
     /// Show maximize button in window header.
     pub show_maximize: bool,
 
+    /// Enables client-side decorations.
+    pub client_decorations: bool,
+
     /// Preferred icon theme.
     pub icon_theme: String,
 
@@ -117,6 +125,10 @@ impl Default for CosmicTk {
             apply_theme_global: false,
             show_minimize: true,
             show_maximize: true,
+            #[cfg(any(target_os = "windows", target_os = "macos"))]
+            client_decorations: false,
+            #[cfg(target_os = "linux")]
+            client_decorations: true,
             icon_theme: String::from("Cosmic"),
             header_size: Density::Standard,
             interface_density: Density::Standard,
diff --git a/src/core.rs b/src/core.rs
index 970a5351..701b9cea 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -39,6 +39,7 @@ pub struct Window {
     pub show_maximize: bool,
     pub show_minimize: bool,
     pub is_maximized: bool,
+    pub client_decorations: bool,
     height: f32,
     width: f32,
 }
@@ -143,6 +144,7 @@ impl Default for Core {
                 show_minimize: true,
                 show_window_menu: false,
                 is_maximized: false,
+                client_decorations: true,
                 height: 0.,
                 width: 0.,
             },