diff --git a/app/src/Lethalize.ts b/app/src/Lethalize.ts
index aaec91b..38a1098 100644
--- a/app/src/Lethalize.ts
+++ b/app/src/Lethalize.ts
@@ -4,7 +4,7 @@ import { initialize, enable } from '@electron/remote/main';
 import * as path from 'path';
 import * as fs from 'fs';
 
-import { AppUpdates, DiscordRPC } from './modules';
+import { AppUpdate, DiscordRPC, IpcMain } from './controllers';
 
 let win: BrowserWindow | null = null;
 const args = process.argv.slice(1),
@@ -70,7 +70,8 @@ try {
     setTimeout(createWindow, 400);
 
     new DiscordRPC().connect();
-    new AppUpdates(win).check();
+    new IpcMain(win).listen();
+    new AppUpdate(win).check();
   });
 
   // Quit when all windows are closed.
diff --git a/app/src/modules/AppUpdates.ts b/app/src/controllers/appUpdate.ts
similarity index 98%
rename from app/src/modules/AppUpdates.ts
rename to app/src/controllers/appUpdate.ts
index 8d62e92..95fa2aa 100644
--- a/app/src/modules/AppUpdates.ts
+++ b/app/src/controllers/appUpdate.ts
@@ -1,7 +1,7 @@
 import { BrowserWindow } from 'electron';
 import { autoUpdater, UpdateDownloadedEvent } from 'electron-updater';
 
-export class AppUpdates {
+export class AppUpdate {
   win: BrowserWindow | null = null;
 
   constructor(window: BrowserWindow | null) {
diff --git a/app/src/modules/DiscordRPC.ts b/app/src/controllers/discordRpc.ts
similarity index 100%
rename from app/src/modules/DiscordRPC.ts
rename to app/src/controllers/discordRpc.ts
diff --git a/app/src/controllers/index.ts b/app/src/controllers/index.ts
new file mode 100644
index 0000000..f1ad6d1
--- /dev/null
+++ b/app/src/controllers/index.ts
@@ -0,0 +1,3 @@
+export * from './appUpdate';
+export * from './ipcMain';
+export * from './discordRpc';
diff --git a/app/src/controllers/ipc/Download.ts b/app/src/controllers/ipc/Download.ts
new file mode 100644
index 0000000..eda1288
--- /dev/null
+++ b/app/src/controllers/ipc/Download.ts
@@ -0,0 +1,79 @@
+import { BrowserWindow, IpcMainEvent } from 'electron';
+import fs from 'fs';
+import axios from 'axios';
+
+import { calculateProgress, temporaryLocation } from '../../modules';
+
+export async function DownloadFile(
+  event: IpcMainEvent,
+  fileUrl: string,
+  savePath: string,
+  win: BrowserWindow | null
+) {
+  // Create a temporary location for our saved files
+  const tmpLoc = temporaryLocation(savePath);
+
+  try {
+    // Download the file
+    const file = await axios({
+      method: 'get',
+      url: fileUrl,
+      responseType: 'stream',
+    });
+
+    // Write the file into the temporary location
+    const write = fs.createWriteStream(tmpLoc);
+    file.data.pipe(write);
+
+    // Keep track of download progress
+    let receivedBytes = 0;
+    file.data.on('data', (chunk: any[]) => {
+      // How many bytes have we gotten so far?
+      receivedBytes += chunk.length;
+
+      // Calculate the progress as a percentage
+      const progress = calculateProgress(
+        receivedBytes,
+        parseInt(file.headers['Content-Length'] as string)
+      );
+
+      // Set the browser downloading state
+      win?.setProgressBar(progress / 100);
+
+      // Send updates to the client
+      event.sender.send('download-progress', {
+        fileUrl,
+        savePath,
+        progress,
+        finished: false,
+      });
+    });
+
+    // Once the file is complete
+    write.on('finish', () => {
+      event.sender.send('download-progress', {
+        fileUrl,
+        savePath,
+        progress: 100,
+        finished: true,
+      });
+    });
+
+    // Handle any stream errors
+    write.on('error', (err) => {
+      event.sender.send('download-error', {
+        fileUrl,
+        savePath,
+        error: err.message,
+      });
+
+      fs.unlink(tmpLoc, () => {}); // Delete the temporary file on error
+    });
+  } catch (error: any) {
+    event.sender.send('download-error', {
+      fileUrl,
+      savePath,
+      error: error.message,
+    });
+  }
+}
diff --git a/app/src/controllers/ipc/index.ts b/app/src/controllers/ipc/index.ts
new file mode 100644
index 0000000..4436f19
--- /dev/null
+++ b/app/src/controllers/ipc/index.ts
@@ -0,0 +1 @@
+export * from './Download';
diff --git a/app/src/controllers/ipcMain.ts b/app/src/controllers/ipcMain.ts
new file mode 100644
index 0000000..8dd5de8
--- /dev/null
+++ b/app/src/controllers/ipcMain.ts
@@ -0,0 +1,24 @@
+import { BrowserWindow, ipcMain } from 'electron';
+
+import { DownloadFile } from './ipc/Download';
+
+export class IpcMain {
+  win: BrowserWindow | null = null;
+
+  constructor(window: BrowserWindow | null) {
+    this.win = window;
+  }
+
+  listen(): void {
+    // Create a download file listener
+    ipcMain.on(
+      'download-file',
+      async (event, fileUrl, savePath) =>
+        await DownloadFile(event, fileUrl, savePath, this.win)
+    );
+
+    // Create the extract file listener
+
+    // Create the update file listener
+  }
+}
diff --git a/app/src/modules/calculateProgress.ts b/app/src/modules/calculateProgress.ts
new file mode 100644
index 0000000..117f8fb
--- /dev/null
+++ b/app/src/modules/calculateProgress.ts
@@ -0,0 +1,4 @@
+// Calculate a percentage of how much progress is left.
+export function calculateProgress(receivedBytes: number, totalBytes: number) {
+  return Math.round((receivedBytes / totalBytes) * 100);
+}
diff --git a/app/src/modules/index.ts b/app/src/modules/index.ts
index bf35547..885e373 100644
--- a/app/src/modules/index.ts
+++ b/app/src/modules/index.ts
@@ -1,2 +1,2 @@
-export * from './AppUpdates';
-export * from './DiscordRPC';
+export * from './temporaryLocation';
+export * from './calculateProgress';
diff --git a/app/src/modules/temporaryLocation.ts b/app/src/modules/temporaryLocation.ts
new file mode 100644
index 0000000..5474b5a
--- /dev/null
+++ b/app/src/modules/temporaryLocation.ts
@@ -0,0 +1,7 @@
+import os from 'os';
+import path from 'path';
+
+// Create a temporary file location for downloaded files
+export function temporaryLocation(fileName: string) {
+  return path.join(os.tmpdir(), fileName);
+}