diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index bc2f4d7..d4d4a6a 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -1040,6 +1040,7 @@ dependencies = [
  "tokio",
  "url",
  "uuid",
+ "versions",
  "webbrowser",
 ]
 
@@ -2031,6 +2032,15 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "0.4.8"
@@ -2282,6 +2292,12 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.0"
@@ -2395,6 +2411,16 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.1.0"
@@ -4890,6 +4916,17 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
+[[package]]
+name = "versions"
+version = "6.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f25d498b63d1fdb376b4250f39ab3a5ee8d103957346abacd911e2d8b612c139"
+dependencies = [
+ "itertools",
+ "nom",
+ "serde",
+]
+
 [[package]]
 name = "vswhom"
 version = "0.1.0"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index edac0cd..46dd52f 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -23,7 +23,7 @@ tauri-build = { version = "2.0.0", features = [] }
 [dependencies]
 tauri = { version = "2.0.0", features = [] }
 tauri-plugin-shell = "2.0.0"
-serde = { version = "1", features = ["derive"] }
+serde = { version = "1", features = ["derive", "rc"] }
 serde_json = "1"
 ciborium = "0.2.2"
 rayon = "1.10.0"
@@ -38,6 +38,7 @@ tauri-plugin-dialog = "2"
 env_logger = "0.11.5"
 http = "1.1.0"
 tokio = { version = "1.40.0", features = ["rt", "tokio-macros"] }
+versions = { version = "6.3.2", features = ["serde"] }
 
 [dependencies.uuid]
 version = "1.10.0"
diff --git a/src-tauri/src/downloads/game_download.rs b/src-tauri/src/downloads/game_download.rs
new file mode 100644
index 0000000..94c03ea
--- /dev/null
+++ b/src-tauri/src/downloads/game_download.rs
@@ -0,0 +1,30 @@
+use std::sync::Arc;
+use std::sync::atomic::AtomicUsize;
+use versions::Version;
+use crate::downloads::progress::ProgressChecker;
+
+pub struct GameDownload {
+    id: String,
+    version: Version,
+    progress: Arc<AtomicUsize>
+}
+pub struct GameChunkCtx {
+    
+}
+
+impl GameDownload {
+    pub fn new(id: String, version: Version) -> Self {
+        Self {
+            id,
+            version,
+            progress: Arc::new(AtomicUsize::new(0))
+        }
+    }
+    pub async fn download(&self, max_threads: usize, contexts: Vec<GameChunkCtx>) {
+        let progress = ProgressChecker::new(Box::new(download_game_chunk), self.progress.clone());
+        progress.run_contexts_sequentially_async(contexts).await;
+    }
+}
+fn download_game_chunk(ctx: GameChunkCtx) {
+    todo!()
+}
\ No newline at end of file
diff --git a/src-tauri/src/downloads/mod.rs b/src-tauri/src/downloads/mod.rs
index 9124aaa..ecf9742 100644
--- a/src-tauri/src/downloads/mod.rs
+++ b/src-tauri/src/downloads/mod.rs
@@ -1,3 +1,4 @@
 mod downloads;
 mod manifest;
-pub mod progress;
\ No newline at end of file
+pub mod progress;
+mod game_download;
\ No newline at end of file
diff --git a/src-tauri/src/downloads/progress.rs b/src-tauri/src/downloads/progress.rs
index dfcf2d9..e8176f9 100644
--- a/src-tauri/src/downloads/progress.rs
+++ b/src-tauri/src/downloads/progress.rs
@@ -5,17 +5,17 @@ use rayon::ThreadPoolBuilder;
 pub struct ProgressChecker<T>
 where T: 'static + Send + Sync
 {
-    counter: AtomicUsize,
+    counter: Arc<AtomicUsize>,
     f: Arc<Box<dyn Fn(T) + Send + Sync + 'static>>,
 }
 
 impl<T> ProgressChecker<T>
 where T: Send + Sync
 {
-    pub fn new(f: Box<dyn Fn(T) + Send + Sync + 'static>) -> Self {
+    pub fn new(f: Box<dyn Fn(T) + Send + Sync + 'static>, counter_reference: Arc<AtomicUsize>) -> Self {
         Self {
             f: f.into(),
-            counter: AtomicUsize::new(0)
+            counter: counter_reference
         }
     }
     pub async fn run_contexts_sequentially_async(&self, contexts: Vec<T>) {
diff --git a/src-tauri/src/tests/progress_tests.rs b/src-tauri/src/tests/progress_tests.rs
index 4ebeedf..1a0adc8 100644
--- a/src-tauri/src/tests/progress_tests.rs
+++ b/src-tauri/src/tests/progress_tests.rs
@@ -1,14 +1,18 @@
+use std::sync::Arc;
+use std::sync::atomic::AtomicUsize;
 use crate::downloads::progress::ProgressChecker;
 
 #[test]
 fn test_progress_sequentially() {
-    let p = ProgressChecker::new(Box::new(test_fn));
+    let counter = Arc::new(AtomicUsize::new(0));
+    let p = ProgressChecker::new(Box::new(test_fn), counter.clone());
     p.run_contexts_sequentially((1..100).collect());
     println!("Progress: {}", p.get_progress_percentage(100));
 }
 #[test]
 fn test_progress_parallel() {
-    let p = ProgressChecker::new(Box::new(test_fn));
+    let counter = Arc::new(AtomicUsize::new(0));
+    let p = ProgressChecker::new(Box::new(test_fn), counter.clone());
     p.run_contexts_parallel((1..100).collect(), 10);
 }