diff --git a/appWatcher.js b/appWatcher.js
index fb47b98..2cf654e 100755
--- a/appWatcher.js
+++ b/appWatcher.js
@@ -6,7 +6,7 @@ ipc.config.silent = true;
 let appProc;
 
 function watchIt([command, ...rest]) {
-  appProc = spawn(myArgs[0], rest);
+  appProc = spawn(/^win/.test(process.platform) ? 'npm.cmd' : 'npm', ['run',  myArgs[0]]);
 
   appProc.stdout.on("data", data => {
     let stringifiedData = data.toString();
@@ -26,7 +26,7 @@ function watchIt([command, ...rest]) {
 }
 
 process.on("uncaughtException", exception => {
-  process.kill(appProc.pid);
+  process.exit(appProc.pid); // switched kill to exit, else invalid pid error on windows
   throw new Error(exception);
 });
 
diff --git a/package.json b/package.json
index 822bbef..23e4536 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,12 @@
   "dependencies": {
     "@cypress/browserify-preprocessor": "^1.1.0",
     "node-ipc": "^9.1.1"
+  },
+    "scripts": {
+        "cydev": "cross-env WAIT_FOR_MESSAGE=\"Compiled successfully\" cypressAppWatcher start"
+    },
+  "devDependences":{
+      "cross-env": "^5.2.0",
   },
   "keywords": [
     "cypress",