Let’s Encrypt is an effort by the Internet Security Research Group (ISRG) to provide free SSL certificates in order to encourage website owners to secure their websites with encryption. It is gaining in popularity and recently issued its two-millionth certificate.
There are many benefits of enabling SSL encryption on a website, including securing user information if they need to login to the site and getting a higher ranking on Google Search.
If you currently run Apache (or the other distributions such as XAMPP and WampServer) on Windows, then this guide is for you.