Which of the following are the correct steps to save an HTML file in Notepad?

नोटपैड में HTML फ़ाइल को सहेजने के लिए निम्नलिखित में से कौन सा सही चरण हैं?

Open Notepad, write HTML code, and save it as a .txt file.

Open Notepad, write HTML code, and save it as a .html file.

Open Notepad, write HTML code, and save it as a .doc file.

Open Notepad, write HTML code, and save it as a .htm file.

Explanation: