diff --git a/gtk4/hello1/Cargo.toml b/gtk4/hello1/Cargo.toml
new file mode 100644
index 0000000..2078574
--- /dev/null
+++ b/gtk4/hello1/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "hello1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+gtk = { version = "0.6.6", package = "gtk4", features = ["v4_8"] }
diff --git a/gtk4/hello1/src/main.rs b/gtk4/hello1/src/main.rs
new file mode 100644
index 0000000..b52c56b
--- /dev/null
+++ b/gtk4/hello1/src/main.rs
@@ -0,0 +1,9 @@
+use gtk::prelude::*;
+use gtk::{glib, Application};
+
+const APP_ID: &str = "com.clonbg.Helloword1";
+
+fn main() -> glib::ExitCode {
+    let app = Application::builder().application_id(APP_ID).build();
+    app.run()
+}
diff --git a/gtk4/hello2/Cargo.toml b/gtk4/hello2/Cargo.toml
new file mode 100644
index 0000000..76431f4
--- /dev/null
+++ b/gtk4/hello2/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "hello2"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+gtk = { version = "0.6.6", package = "gtk4", features = ["v4_8"] }
diff --git a/gtk4/hello2/src/main.rs b/gtk4/hello2/src/main.rs
new file mode 100644
index 0000000..beb0862
--- /dev/null
+++ b/gtk4/hello2/src/main.rs
@@ -0,0 +1,18 @@
+use gtk::prelude::*;
+use gtk::{glib, Application, ApplicationWindow};
+
+const APP_ID: &str = "com.clonbg.Helloword2";
+
+fn build_ui(app: &Application) {
+    let window = ApplicationWindow::builder()
+        .application(app)
+        .title("Mi aplicacióng gtk")
+        .build();
+    window.present();
+}
+
+fn main() -> glib::ExitCode {
+    let app = Application::builder().application_id(APP_ID).build();
+    app.connect_activate(build_ui);
+    app.run()
+}