upgrade to Node 14

Author: jhades

README.md

@@ -4,19 +4,7 @@ This repository contains the code of the [Angular Security MasterClass - Web Sec
 
 ![Angular Security MasterClass - Web Security Fundamentals Course](https://s3-us-west-1.amazonaws.com/angular-university/course-images/security-cover-small-v2.png)
 
-
-# Installation pre-requisites
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-IMPORTANT: Please use NPM 5 or above, to make sure the package-lock.json is used.
-
-For running this project we need and npm installed on our machine. These are some tutorials to install node in different operating systems:
-
-*Its important to install the latest version of Node*
-
-- [Install Node and NPM on Windows](https://www.youtube.com/watch?v=8ODS6RM6x7g)
-- [Install Node and NPM on Linux](https://www.youtube.com/watch?v=yUdHk-Dk_BY)
-- [Install Node and NPM on Mac](https://www.youtube.com/watch?v=Imj8PgG3bZU)
-
+IMPORTANT: please use Node 14 (Long-term support version) to take this course.
 
 # Installing the Angular CLI