Here's a step-by-step tutorial on how to insert a link in HTML:

1. Open any text editor or open the existing HTML file in the text editor in which you want to add the link of another HTML page.
2. Move the cursor at the starting of that text which you want to create as a link.
3. Type ``, where URL is the web address of the page you want to link to.
4. Type the text you want to use as the link.
5. Type `
` to close the link.

That's it! You can also add other attributes like `title`, `target`, etc., to your link tag if you want.

[Here](https://www.tutorialspoint.com/How-to-Insert-Hyperlink-in-HTML-Page) is a tutorial that goes into more detail on how to insert a hyperlink in HTML.