diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000000..c42da845b4
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+engine-strict = true
diff --git a/aio/.npmrc b/aio/.npmrc
new file mode 100644
index 0000000000..c42da845b4
--- /dev/null
+++ b/aio/.npmrc
@@ -0,0 +1 @@
+engine-strict = true
diff --git a/aio/package.json b/aio/package.json
index 781ca7875c..4bc0d0cae8 100644
--- a/aio/package.json
+++ b/aio/package.json
@@ -6,7 +6,6 @@
   "author": "Angular",
   "license": "MIT",
   "scripts": {
-    "preinstall": "node ../tools/yarn/check-yarn.js",
     "postinstall": "node tools/cli-patches/patch.js",
     "aio-use-local": "node tools/ng-packages-installer overwrite . --debug --force --build-packages",
     "aio-use-npm": "node tools/ng-packages-installer restore .",
@@ -86,7 +85,8 @@
   "//engines-comment": "Keep this in sync with /package.json and /aio/tools/examples/shared/package.json",
   "engines": {
     "node": ">=10.19.0 <16.0.0",
-    "yarn": ">=1.22.4 <2"
+    "yarn": ">=1.22.4 <2",
+    "npm": "Please use yarn instead of NPM to install dependencies"
   },
   "private": true,
   "dependencies": {
diff --git a/aio/tools/examples/shared/.npmrc b/aio/tools/examples/shared/.npmrc
new file mode 100644
index 0000000000..c42da845b4
--- /dev/null
+++ b/aio/tools/examples/shared/.npmrc
@@ -0,0 +1 @@
+engine-strict = true
diff --git a/aio/tools/examples/shared/package.json b/aio/tools/examples/shared/package.json
index 579ca4c0c1..065258d56d 100644
--- a/aio/tools/examples/shared/package.json
+++ b/aio/tools/examples/shared/package.json
@@ -7,14 +7,15 @@
     "http-server": "http-server",
     "protractor": "protractor",
     "webdriver:update": "node ../../../../scripts/webdriver-manager-update.js",
-    "preinstall": "node ../../../../tools/yarn/check-yarn.js",
     "postinstall": "yarn webdriver:update",
     "sync-deps": "node sync-boilerplate-dependencies"
   },
   "//engines-comment": "Keep this in sync with /package.json and /aio/package.json",
   "engines": {
     "node": ">=10.19.0 <16.0.0",
-    "yarn": ">=1.21.1 <2"
+    "yarn": ">=1.21.1 <2",
+    "npm": "Please use yarn instead of NPM to install dependencies"
+
   },
   "keywords": [],
   "author": "",
diff --git a/package.json b/package.json
index 63213f8eeb..df836535d4 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
   "//engines-comment": "Keep this in sync with /aio/package.json and /aio/tools/examples/shared/package.json",
   "engines": {
     "node": ">=10.19.0 <16.0.0",
-    "yarn": ">=1.22.4 <2"
+    "yarn": ">=1.22.4 <2",
+    "npm": "Please use yarn instead of NPM to install dependencies"
   },
   "repository": {
     "type": "git",
@@ -31,7 +32,6 @@
     "// 2": "Find the usage you are looking for with:",
     "// 3": "yarn ng-dev --help",
     "/ ": "",
-    "preinstall": "node tools/yarn/check-yarn.js",
     "postinstall": "node scripts/webdriver-manager-update.js && node --preserve-symlinks --preserve-symlinks-main ./tools/postinstall-patches.js",
     "prepare": "husky install",
     "test-ivy-aot": "bazelisk test --config=ivy --build_tag_filters=-no-ivy-aot,-fixme-ivy-aot --test_tag_filters=-no-ivy-aot,-fixme-ivy-aot",
diff --git a/tools/yarn/check-yarn.js b/tools/yarn/check-yarn.js
deleted file mode 100644
index 8fc3010639..0000000000
--- a/tools/yarn/check-yarn.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @license
- * Copyright Google LLC All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-
-'use strict';
-
-if (process.env.npm_execpath.indexOf('yarn') === -1) {
-  throw new Error(
-      'Please use Yarn instead of NPM to install dependencies. See: https://yarnpkg.com/lang/en/docs/install/');
-}