This Vaadin zip contains all the jars of the Vaadin Framework. Additionally all dependencies are provided in the lib folder. To use in a web project: 1. Copy following files from the archive root into WEB-INF/lib in your project: - vaadin-server-*.jar - vaadin-shared-*.jar - vaadin-themes-*.jar - vaadin-push-*.jar (if you need push) 2. Copy following files from the archive /lib into WEB-INF/lib in your project: - vaadin-slf4j-jdk14-*.jar - flute-*.jar - guava-*.jar - js-*.jar - jsoup-*.jar - sac-*.jar - streamhtmlparser-jsilver-*.jar - atmosphere-runtime-*.jar (if you need push) 3. Copy vaadin-client and vaadin-client-compiler to a lib folder which is on your classpath but will not be deployed. These files are only needed when compiling a module (widget set) to Javascript. 4. Read https://vaadin.com/docs/-/part/framework/application/application-overview.html#application.overview to start your development