To access the web, the only way to go is through the browser. There is no other way. Creating a shortcut is easy. Right click on blank space in desktop>>>New>>>Shortcut
Type in the URL of the site and then give it a name. Click ok. When you double-click it, it will open up on whatever default browser you have. Your username and password have to be set to be remembered on the browser.
Or use the Facebook android app on your PC. Download and install Bluestacks on your PC. With Bluestacks, you can install and use any android apps on PCs.