How to get and store full HTML from page

How can I just grab and save the full HTML that is on the web page so that I can parse it offline later

Goto the webpage and press F12 or Fn+F12 .

You can try HTTP Request activity for this:

Hi guys
i want save get data of page with class WebClient, but my page’s with credentials y show message error when tried with sample of @vvaidya

¿any help ?