diff --git a/.gitignore b/.gitignore
index 2ccb550..66207a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ bin/
 dist/
 ext/
 temp/
+gc*/
 resources/js/neutralino.js
 resources/bg/official
 
diff --git a/resources/index.html b/resources/index.html
index f59f5ea..81a7e7a 100644
--- a/resources/index.html
+++ b/resources/index.html
@@ -8,6 +8,7 @@
     <script src="js/hoverEvt.js"></script>
     <script src="js/helpers.js"></script>
     <script src="js/index.js"></script>
+    <script src="js/gcdownloader.js"></script>
     <script src="js/onLoad.js"></script>
     <script src="js/options.js"></script>
     <script src="js/login.js"></script>
diff --git a/resources/js/gcdownloader.js b/resources/js/gcdownloader.js
new file mode 100644
index 0000000..c1b5e1b
--- /dev/null
+++ b/resources/js/gcdownloader.js
@@ -0,0 +1,24 @@
+async function clearGCInstallation() {
+  Neutralino.os.execCommand(`del /s /q "./gc"`)
+}
+
+async function downloadGC(branch) {
+  const config = await getCfg()
+
+  // If we are pulling from a new branch, delete the old installation
+  if (config.grasscutterBranch !== branch) await clearGCInstallation()
+
+  // Keystore for branch (since they can differ)
+  const keystoreUrl = `https://github.com/Grasscutters/Grasscutter/raw/${branch}/keystore.p12`
+
+  // External service that allows un-authed artifact downloading
+  const artiUrl = `https://nightly.link/Grasscutters/Grasscutter/workflows/build/${branch}/Grasscutter.zip`
+  
+  // Run installer
+  createCmdWindow(`.\\scripts\\gcdownload.cmd ${artiUrl} ${keystoreUrl} ${branch}`)
+
+  // Set current installation in config
+  config.grasscutterBranch = branch
+
+  Neutralino.storage.setData('config', JSON.stringify(config))
+}
\ No newline at end of file
diff --git a/resources/js/helpers.js b/resources/js/helpers.js
index c0b31c0..ad313fa 100644
--- a/resources/js/helpers.js
+++ b/resources/js/helpers.js
@@ -12,6 +12,7 @@
     serverLaunchPanel: false,
     language: 'en',
     useHttps: true,
+    grasscutterBranch: '',
   }
   const cfgStr = await Neutralino.storage.getData('config').catch(e => {
     // The data isn't set, so this is our first time opening
diff --git a/scripts/gcdownload.cmd b/scripts/gcdownload.cmd
new file mode 100644
index 0000000..9105de2
--- /dev/null
+++ b/scripts/gcdownload.cmd
@@ -0,0 +1,34 @@
+@echo off
+
+set KEYSTORE_URL=%1
+set ARTIFACT_URL=%2
+set BRANCH=%3
+set FOLDER_NAME=".\gc-%BRANCH%"
+
+if not exist %FOLDER_NAME% mkdir %FOLDER_NAME%
+if not exist ".\temp" mkdir ".\temp"
+
+echo Downloading Grasscutter prebuilt jar...
+
+:: Download the jar
+powershell Invoke-WebRequest -Uri %KEYSTORE_URL% -OutFile "./temp/gcjar.zip"
+
+echo Extracting...
+
+powershell Expand-Archive -Path "./temp/gcjar.zip" -DestinationPath %FOLDER_NAME% -Force
+
+:: Download the keystore.p12 file
+
+echo Downloading keystore.p12...
+
+powershell Invoke-WebRequest -Uri %ARTIFACT_URL% -OutFile "./%FOLDER_NAME%/keystore.p12"
+
+:: Remove temp stuff
+del /s /q "./temp"
+
+echo Done, latest Grasscutter %BRANCH% now downloaded in %FOLDER_NAME%
+
+pause
+
+exit /b
+