HTML is a format that tells a computer how to display a web page.the documents theselves are plain text files with special "tags" codes that a web browser uses to interpret and display information on your computer display.
HTML file is a text file containing small markup tags.
The markup tags tell the web browser how to display the page.
HTML file must have an .htm or .html file extension
Writing a block of HTML code,any Editor can be used like Notepad,Notepad++,and any other text editor,for showing effects or designing of page that is written by HTML language,any web browser is required like internet explorer,mozilla firefox and other web browser.
In first step create new file with .htm or .html file extension and save it.
In this step after create html file write following code into this file and save it.
<html>
<head>
<title>This is a First HTML Page</title>
</head>
<body>
Welcome to Veewom
</body>
</html>
After write code into file,open this file into any web browser like firefox.