diff --git a/src/app.rs b/src/app.rs
index 16c2bde..6f4838a 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,13 +1,16 @@
+use crate::args::ArgsConfig;
+use crate::types::{Playlist, Video};
+use crate::video_quality::VideoDownloadQuality;
 use eframe::egui::{Context, Ui};
 use eframe::{CreationContext, Frame, Storage};
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
-use yt_dlp::model::VideoQuality;
 
 pub(crate) struct Application {
-    pub settings: AppSettings,
+    pub(crate) settings: AppSettings,
     layers: Vec<Box<dyn crate::layer::Layer>>,
-    data: Data,
+    pub(crate) data: Data,
+    pub(crate) data_dir: String,
 }
 
 #[derive(Serialize, Deserialize, Default)]
@@ -15,42 +18,22 @@ pub struct AppSettings {
     pub(crate) use_firefox_cookies: bool,
     pub(crate) use_chrome_cookies: bool,
     pub(crate) save_thumbnails: bool,
-    pub(crate) video_download_quality: crate::video_quality::VideoDownloadQuality,
+    pub(crate) video_download_quality: VideoDownloadQuality,
 }
 
 #[derive(Serialize, Deserialize, Default)]
-struct Data {
-    playlists: Vec<Playlist>,
-    videos: Vec<Video>,
-    root_path: String,
-}
-
-#[derive(Serialize, Deserialize, Default)]
-struct Video {
-    name: String,
-    uuid: String,
-    original_url: String,
-    video_path: String,
-    has_thumbnail: bool,
-    thumbnail_path: String,
-    thumbnail_path_low_quality: String,
-    video_quality: VideoQuality,
-}
-
-#[derive(Serialize, Deserialize, Default)]
-struct Playlist {
-    name: String,
-    uuid: String,
-    original_url: String,
-    videos: Vec<Video>,
-    creator: String,
-    has_thumbnail: bool,
-    thumbnail_path: String,
-    thumbnail_path_low_quality: String,
+pub(crate) struct Data {
+    pub(crate) playlists: Vec<Playlist>,
+    pub(crate) videos: Vec<Video>,
+    pub(crate) root_path: String,
 }
 
 impl Application {
-    pub fn new(cc: &CreationContext, layers: Vec<Box<dyn crate::layer::Layer>>) -> Self {
+    pub fn new(
+        cc: &CreationContext,
+        layers: Vec<Box<dyn crate::layer::Layer>>,
+        args_config: &ArgsConfig,
+    ) -> Self {
         let mut settings = AppSettings::default();
         if let Some(storage) = cc.storage {
             if let Some(stored_str) = storage.get_string("app_settings") {
@@ -69,10 +52,15 @@ impl Application {
             }
         }
 
+        if data.root_path.is_empty() {
+            data.root_path = args_config.data_dir.clone() + "/data";
+        }
+
         Self {
             settings,
             layers,
             data,
+            data_dir: args_config.data_dir.clone(),
         }
     }
 }
diff --git a/src/downloader.rs b/src/downloader.rs
new file mode 100644
index 0000000..f58630e
--- /dev/null
+++ b/src/downloader.rs
@@ -0,0 +1,120 @@
+use crate::app::Application;
+use crate::layer::Layer;
+use crate::types::{Playlist, Video};
+use eframe::egui::{Context, Ui};
+use eframe::{Frame, egui};
+use std::path::PathBuf;
+use tokio::runtime::Handle;
+use tracing::warn;
+use yt_dlp::client::LibraryInstaller;
+
+pub(crate) struct Downloader {
+    video_queue: Vec<Video>,
+    playlists_queue: Vec<Playlist>,
+    yt_downloader: Option<yt_dlp::Downloader>,
+
+    tokio_handle: Handle,
+
+    yt_dlp_installed: bool,
+    rejected_yt_dlp_install: bool,
+
+    ffmpeg_installed: bool,
+    rejected_ffmpeg_install: bool,
+}
+
+impl Downloader {
+    pub fn new() -> Self {
+        let yt_downloader = None;
+        Self {
+            video_queue: Vec::new(),
+            playlists_queue: Vec::new(),
+            yt_downloader,
+            tokio_handle: Handle::current(),
+            yt_dlp_installed: false,
+            rejected_yt_dlp_install: false,
+            ffmpeg_installed: false,
+            rejected_ffmpeg_install: false,
+        }
+    }
+
+    async fn install_yt_dlp(data_dir: String) -> Result<(), String> {
+        let libraries_dir = PathBuf::from(format!("{}/libs", &data_dir));
+        let installer = LibraryInstaller::new(libraries_dir);
+        if let Err(e) = installer.install_youtube(None).await {
+            warn!("Failed to install yt-dlp: {}", e);
+            return Err(e.to_string());
+        }
+        Ok(())
+    }
+
+    async fn install_ffmpeg(data_dir: String) -> Result<(), String> {
+        let libraries_dir = PathBuf::from(format!("{}/libs", &data_dir));
+        let installer = LibraryInstaller::new(libraries_dir);
+        if let Err(e) = installer.install_ffmpeg(None).await {
+            warn!("Failed to install yt-dlp: {}", e);
+            return Err(e.to_string());
+        }
+        Ok(())
+    }
+
+    async fn create_new_yt_downloader(application: &Application) -> Option<yt_dlp::Downloader> {
+        Err("Not implemented".to_string()).expect("Soon")
+    }
+
+    fn check_yt_dlp(data_dir: String) -> bool {
+        let path = PathBuf::from(format!("{}/libs/yt-dlp", &data_dir));
+        path.exists()
+    }
+
+    fn check_ffmpeg(data_dir: String) -> bool {
+        let path = PathBuf::from(format!("{}/libs/ffmpeg", &data_dir));
+        path.exists()
+    }
+}
+
+impl Layer for Downloader {
+    fn logic(&mut self, application: &mut Application, ctx: &Context, frame: &mut Frame) {
+        if !self.yt_dlp_installed {
+            if Downloader::check_yt_dlp(application.data_dir.clone()) {
+                self.yt_dlp_installed = true;
+            }
+        }
+        if !self.ffmpeg_installed {
+            if Downloader::check_ffmpeg(application.data_dir.clone()) {
+                self.ffmpeg_installed = true;
+            }
+        }
+    }
+
+    fn ui(&mut self, application: &mut Application, ui: &mut Ui, frame: &mut Frame) {
+        if !self.yt_dlp_installed && !self.rejected_yt_dlp_install {
+            egui::Window::new("Missing yt-dlp").show(ui, |ui| {
+                ui.label("yt-dlp is not installed. Would you like to install it?");
+                ui.horizontal(|ui| {
+                    if ui.button("Yes").clicked() {
+                        self.tokio_handle
+                            .spawn(Self::install_yt_dlp(application.data_dir.clone()));
+                    }
+                    if ui.button("No").clicked() {
+                        self.rejected_yt_dlp_install = true;
+                    }
+                });
+            });
+        }
+
+        if !self.ffmpeg_installed && !self.rejected_ffmpeg_install {
+            egui::Window::new("Missing ffmpeg").show(ui, |ui| {
+                ui.label("ffmpeg is not installed. Would you like to install it?");
+                ui.horizontal(|ui| {
+                    if ui.button("Yes").clicked() {
+                        self.tokio_handle
+                            .spawn(Self::install_ffmpeg(application.data_dir.clone()));
+                    }
+                    if ui.button("No").clicked() {
+                        self.rejected_ffmpeg_install = true;
+                    }
+                });
+            });
+        }
+    }
+}
diff --git a/src/layer.rs b/src/layer.rs
index d311006..b15e283 100644
--- a/src/layer.rs
+++ b/src/layer.rs
@@ -1,19 +1,13 @@
-use eframe::{egui, Frame};
+use crate::app::Application;
+use eframe::{Frame, egui};
 use egui::Context;
 use egui::Ui;
-use crate::app::Application;
 
 #[allow(unused_variables)]
 pub trait Layer {
-    fn logic(&mut self, application: &mut Application, ctx: &Context, frame: &mut Frame) {
+    fn logic(&mut self, application: &mut Application, ctx: &Context, frame: &mut Frame) {}
 
-    }
+    fn ui(&mut self, application: &mut Application, ui: &mut Ui, frame: &mut Frame) {}
 
-    fn ui(&mut self, application: &mut Application, ui: &mut Ui, frame: &mut Frame) {
-
-    }
-
-    fn on_exit(&mut self, application: &mut Application) {
-
-    }
-}
\ No newline at end of file
+    fn on_exit(&mut self, application: &mut Application) {}
+}
diff --git a/src/main.rs b/src/main.rs
index 688a4a4..a94c8b4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,12 +6,15 @@ use tracing::{debug, error};
 
 mod app;
 mod args;
+mod downloader;
 mod layer;
 mod logging;
 mod top_bar_layer;
+mod types;
 mod video_quality;
 
-fn main() {
+#[tokio::main]
+async fn main() {
     let args = args::parse_args();
     logging::init(args.verbose);
     debug!("Using args: \n{:#?}\n", args);
@@ -32,6 +35,7 @@ fn main() {
 
     let mut layers: Vec<Box<dyn layer::Layer>> = Vec::new();
     layers.push(Box::new(TopBarLayer::default()));
+    layers.push(Box::new(downloader::Downloader::new()));
 
     let mut options = eframe::NativeOptions::default();
     options.persistence_path = Some(
@@ -42,7 +46,7 @@ fn main() {
     eframe::run_native(
         "yt-offline",
         options,
-        Box::new(|cc| Ok(Box::new(app::Application::new(cc, layers)))),
+        Box::new(|cc| Ok(Box::new(app::Application::new(cc, layers, &args)))),
     )
     .expect("TODO: panic message");
 }
diff --git a/src/top_bar_layer.rs b/src/top_bar_layer.rs
index 01c51a5..7fc36e0 100644
--- a/src/top_bar_layer.rs
+++ b/src/top_bar_layer.rs
@@ -67,27 +67,27 @@ impl Layer for TopBarLayer {
                         ui.radio_value(
                             &mut application.settings.video_download_quality,
                             VideoDownloadQuality::Best,
-                            "Best",
+                            "Best (Highest available)",
                         );
                         ui.radio_value(
                             &mut application.settings.video_download_quality,
                             VideoDownloadQuality::High,
-                            "High",
+                            "High (Target 1080p)",
                         );
                         ui.radio_value(
                             &mut application.settings.video_download_quality,
                             VideoDownloadQuality::Medium,
-                            "Medium",
+                            "Medium (Target 720p)",
                         );
                         ui.radio_value(
                             &mut application.settings.video_download_quality,
                             VideoDownloadQuality::Low,
-                            "Low",
+                            "Low (Target 480p)",
                         );
                         ui.radio_value(
                             &mut application.settings.video_download_quality,
                             VideoDownloadQuality::Worst,
-                            "Worst",
+                            "Worst (Lowest available)",
                         );
                     });
                 });
@@ -99,7 +99,7 @@ impl Layer for TopBarLayer {
                 .show(ui, |ui: &mut Ui| {
                     ui.heading("yt-offline");
                     ui.label("A simple unified offline YouTube downloader + viewer");
-                    ui.label("Created by Lyra in Rust <3");
+                    ui.label("Fully human generated by Lyra in Rust <3");
                     ui.separator();
                     ui.label("Honorable mentions:");
                     ui.horizontal(|ui| {
@@ -110,6 +110,14 @@ impl Layer for TopBarLayer {
                         ui.label("egui");
                         ui.hyperlink("https://github.com/emilk/egui");
                     });
+                    ui.horizontal(|ui| {
+                        ui.label("egui-sharkplayer");
+                        ui.hyperlink("https://codeberg.org/sharkyshark/egui-sharkplayer");
+                    });
+                    ui.horizontal(|ui| {
+                        ui.label("The yt-dlp crate");
+                        ui.hyperlink("https://github.com/boul2gom/yt-dlp")
+                    });
                 });
         }
     }
diff --git a/src/types.rs b/src/types.rs
new file mode 100644
index 0000000..c79f708
--- /dev/null
+++ b/src/types.rs
@@ -0,0 +1,31 @@
+use crate::video_quality::VideoDownloadQuality;
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Default)]
+pub(crate) struct Video {
+    pub(crate) meta_data: MetaData,
+    pub(crate) video_path: String,
+    pub(crate) video_quality: VideoDownloadQuality,
+    pub(crate) downloaded: bool,
+}
+
+#[derive(Serialize, Deserialize, Default)]
+pub(crate) struct MetaData {
+    pub(crate) title: String,
+    pub(crate) author: String,
+    pub(crate) description: String,
+    pub(crate) original_url: String,
+    pub(crate) has_thumbnail: bool,
+    pub(crate) thumbnail_path: String,
+    pub(crate) thumbnail_path_low_quality: String,
+    pub(crate) downloaded: bool,
+    pub(crate) date_downloaded: String,
+    pub(crate) date_published: String,
+}
+
+#[derive(Serialize, Deserialize, Default)]
+pub(crate) struct Playlist {
+    pub(crate) meta_data: MetaData,
+    pub(crate) videos: Vec<Video>,
+    pub(crate) num_videos: usize,
+}