--- title: Installing the Client-Side Development Environment order: 2 layout: page --- [[clientside.installing]] = Installing the Client-Side Development Environment The installation of the client-side development libraries is described in <<../getting-started/getting-started-overview.asciidoc#getting-started.overview,"Getting Started with Vaadin">>. You especially need the [filename]#vaadin-client# library, which contains the client-side Java API, and [filename]#vaadin-client-compiler#, which contains the Vaadin Client Compiler for compiling Java to JavaScript.