Save the file on your computer. Select File > Save as in the Notepad++ menu.
Name the file "Simple.html" and
You can use either .htm or .html as file extension Name. There is no difference, it is up to you.
VIEW THE HTML PAGE IN YOUR WEB-BROWSER
Open the saved HTML file in your favorite Web-Browser (double click on the file, or right-click - and choose "Open with").
The result will look much like this:
