How to install Eclipse plugins using browser

How to install Eclipse plugins from Eclipse online marketplace, Findbugs installation.

You can install Eclipse plugins by clicking Help -> Eclipse marketplace, or you can open Eclipse marketplace in browser, choose some plugin and easily install this plugin by dragging this icon to your Eclipse. Be sure to drop it up here, not anywhehere else.

Also when you browse Eclipse marketplace you will see this icon. It's not an icon for plugin installation, but a link to page where is some introduction to Eclipse marketplace.