diff --git a/public/locales/de.json b/public/locales/de.json
index 09db099..6140d10 100644
--- a/public/locales/de.json
+++ b/public/locales/de.json
@@ -2,6 +2,7 @@
     "Install": "Installieren",
     "Update": "Updaten",
     "Launch": "Starten",
+    "ResumeDownload": "Download Fortsetzen",
     "Runners": "Runners",
     "Language": "Sprache",
     "Voice": "Sprachpaket",
diff --git a/public/locales/en-us.json b/public/locales/en-us.json
index 128b5aa..22b350d 100644
--- a/public/locales/en-us.json
+++ b/public/locales/en-us.json
@@ -2,6 +2,7 @@
     "Install": "Install",
     "Update": "Update",
     "Launch": "Launch",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "Language",
     "Voice": "Voice Pack",
diff --git a/public/locales/en.json b/public/locales/en.json
index dd04010..efc9022 100644
--- a/public/locales/en.json
+++ b/public/locales/en.json
@@ -2,6 +2,7 @@
     "Install": "Install",
     "Update": "Update",
     "Launch": "Launch",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "Language",
     "Voice": "Voice Pack",
diff --git a/public/locales/es.json b/public/locales/es.json
index dd04010..efc9022 100644
--- a/public/locales/es.json
+++ b/public/locales/es.json
@@ -2,6 +2,7 @@
     "Install": "Install",
     "Update": "Update",
     "Launch": "Launch",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "Language",
     "Voice": "Voice Pack",
diff --git a/public/locales/fr.json b/public/locales/fr.json
index dd04010..efc9022 100644
--- a/public/locales/fr.json
+++ b/public/locales/fr.json
@@ -2,6 +2,7 @@
     "Install": "Install",
     "Update": "Update",
     "Launch": "Launch",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "Language",
     "Voice": "Voice Pack",
diff --git a/public/locales/id.json b/public/locales/id.json
index 5c782e9..22e4129 100644
--- a/public/locales/id.json
+++ b/public/locales/id.json
@@ -2,6 +2,7 @@
     "Install": "Pasang",
     "Update": "Perbarui",
     "Launch": "Luncurkan",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "Bahasa",
     "Voice": "Paket Suara",
diff --git a/public/locales/ja.json b/public/locales/ja.json
index ca2c39a..2950490 100644
--- a/public/locales/ja.json
+++ b/public/locales/ja.json
@@ -2,6 +2,7 @@
     "Install": "インストール",
     "Update": "アップデート",
     "Launch": "打ち上げ",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "言語",
     "Voice": "ボイスパック",
diff --git a/public/locales/ko.json b/public/locales/ko.json
index fdf4942..786cd69 100644
--- a/public/locales/ko.json
+++ b/public/locales/ko.json
@@ -2,6 +2,7 @@
     "Install": "설치",
     "Update": "업데이트",
     "Launch": "발사",
+    "ResumeDownload": "Resume Download",
     "Runners": "주자",
     "Language": "언어",
     "Voice": "음성 팩",
diff --git a/public/locales/pt.json b/public/locales/pt.json
index dd04010..efc9022 100644
--- a/public/locales/pt.json
+++ b/public/locales/pt.json
@@ -2,6 +2,7 @@
     "Install": "Install",
     "Update": "Update",
     "Launch": "Launch",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "Language",
     "Voice": "Voice Pack",
diff --git a/public/locales/ru.json b/public/locales/ru.json
index ddb8165..1b7457a 100644
--- a/public/locales/ru.json
+++ b/public/locales/ru.json
@@ -2,6 +2,7 @@
     "Install": "Установить",
     "Update": "Обновить",
     "Launch": "Запустить",
+    "ResumeDownload": "Resume Download",
     "Runners": "Версии Wine",
     "Language": "Язык",
     "Voice": "Озвучка",
diff --git a/public/locales/th.json b/public/locales/th.json
index dd04010..efc9022 100644
--- a/public/locales/th.json
+++ b/public/locales/th.json
@@ -2,6 +2,7 @@
     "Install": "Install",
     "Update": "Update",
     "Launch": "Launch",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "Language",
     "Voice": "Voice Pack",
diff --git a/public/locales/vi.json b/public/locales/vi.json
index dd04010..efc9022 100644
--- a/public/locales/vi.json
+++ b/public/locales/vi.json
@@ -2,6 +2,7 @@
     "Install": "Install",
     "Update": "Update",
     "Launch": "Launch",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "Language",
     "Voice": "Voice Pack",
diff --git a/public/locales/zh-cn.json b/public/locales/zh-cn.json
index 1b60e56..bcc83db 100644
--- a/public/locales/zh-cn.json
+++ b/public/locales/zh-cn.json
@@ -2,6 +2,7 @@
     "Install": "安装",
     "Update": "更新",
     "Launch": "发射",
+    "ResumeDownload": "Resume Download",
     "Runners": "Runners",
     "Language": "语言",
     "Voice": "语音包",
diff --git a/public/locales/zh-tw.json b/public/locales/zh-tw.json
index 3ba4209..82d610b 100644
--- a/public/locales/zh-tw.json
+++ b/public/locales/zh-tw.json
@@ -2,6 +2,7 @@
     "Install": "安裝",
     "Update": "更新",
     "Launch": "啟動遊戲",
+    "ResumeDownload": "Resume Download",
     "Runners": "執行器",
     "Language": "界面語言",
     "Voice": "語音包",
diff --git a/src/ts/lib/LauncherUI.ts b/src/ts/lib/LauncherUI.ts
index 4e8ee7e..668e7bb 100644
--- a/src/ts/lib/LauncherUI.ts
+++ b/src/ts/lib/LauncherUI.ts
@@ -1,6 +1,8 @@
 const { ipcRenderer } = require('electron');
 
 import $ from 'cash-dom';
+import path from 'path';
+import fs from 'fs';
 
 import constants from './constants';
 import LauncherLib from './LauncherLib';
@@ -15,6 +17,7 @@ type LauncherState =
     'game-update-available' |
     'game-installation-available' |
     'game-voice-update-required' |
+    'download-resumable' |
     'game-launch-available';
 
 type Theme = 'light' | 'dark';
@@ -99,6 +102,8 @@ export default class LauncherUI
                 $('#launch').text(this.i18n.translate('Launch'));
 
                 break;
+            case 'download-resumable':
+                $('#launch').text(this.i18n.translate('ResumeDownload'));
         }
 
         this._launcherState = state;
@@ -110,8 +115,11 @@ export default class LauncherUI
         const patchInfo = await LauncherLib.getPatchInfo();
 
         // Update available
-        if (LauncherLib.version != gameData.game.latest.version)
-            this.setState(LauncherLib.version === null ? 'game-installation-available' : 'game-update-available');
+        if (LauncherLib.version != gameData.game.latest.version) {
+            if(!fs.existsSync(path.join(constants.launcherDir, `latest-${gameData.game.latest.version}.zip`))) 
+                this.setState(LauncherLib.version === null ? 'game-installation-available' : 'game-update-available');
+            else this.setState('download-resumable');
+        }
 
         // Voice pack update required
         else if (LauncherLib.getConfig('lang.voice.active') != LauncherLib.getConfig('lang.voice.installed'))
diff --git a/src/ts/lib/Tools.ts b/src/ts/lib/Tools.ts
index 6706cf5..c5f080e 100644
--- a/src/ts/lib/Tools.ts
+++ b/src/ts/lib/Tools.ts
@@ -126,9 +126,20 @@ export default class Tools
     public static async downloadFile (uri: string, savePath: string, progress: null|((current: number, total: number, difference: number) => void) = null): Promise<void|Error>
     {
         return new Promise((resolve, reject) => {
-            https.get(uri, (response: any) => {
-                let length = parseInt(response.headers['content-length'], 10),
-                    total  = 0;
+            let rangeStart = 0;
+
+            if(fs.existsSync(savePath)) {
+                // Part of the file was already downloaded, resume the download
+                rangeStart = fs.statSync(savePath).size;
+            }
+            
+            https.get(uri, {
+                headers: {
+                    Range: `bytes=${rangeStart}-`
+                }
+            }, (response: any) => {
+                let length = parseInt(response.headers['content-length'], 10) + rangeStart,
+                    total  = rangeStart;
 
                 response.on('data', (chunk: any) => {
                     total += chunk.length;