google chrome - Webstorm 10 won't run my HTML -


this code i'm using test webstorm, , when try run it, goes chrome , gives me 404 not found error. why this? 

<!doctype html> <html lang="en"> <head>     <title>my webpage</title> </head> <body>     <h1>heading</h1>     <p>sample text</p> </body> </html>


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