: The primary source for all versions, including the latest stable releases, is the Selenium Downloads page .
: If you are using build tools like Maven or Gradle, you can find the selenium-server-standalone artifacts on the Maven Central Repository . Choosing the Correct Version
If you are starting a new project, use Selenium 4.x . It offers better performance and native compliance with modern browsers. Quick Setup Guide To run the Selenium Standalone Server, follow these steps: Downloads - Selenium download standalone selenium server
Difference between "selenium server" and ... - Stack Overflow
You should always obtain the server files from official and verified sources to ensure security and compatibility. : The primary source for all versions, including
As of early 2026, the Selenium ecosystem has matured significantly through the Selenium 4.x lifecycle. Selenium 3.x (Legacy) Selenium 4.x (Current) JSON Wire Protocol W3C WebDriver Standard Core Architecture Legacy Hub/Node Fully Integrated Grid Download File selenium-server-standalone-3.x.jar selenium-server-4.x.jar
37.2 MB. selenium-server-4.18.1.zip. 77.0 MB. Selenium 4.17.0. Release date: January 23, 2024. Name. Size. selenium-dotnet-4.17.0. It offers better performance and native compliance with
The Selenium Standalone Server is a critical component for developers who need to run automated web tests across different machines or manage a distributed network of browsers. While Selenium WebDriver can often run tests locally without a server, the becomes necessary for remote execution and scaling via Selenium Grid. Where to Download Standalone Selenium Server