Java Runtime Environment (JRE) or JDK installed (Version 11 or higher is recommended for Selenium 4).
You can access all versions, including legacy releases, via the Selenium GitHub Releases page. free download selenium server standalone jar file
Which you are using (Windows, macOS, Linux)? Which version of Java is currently installed? Java Runtime Environment (JRE) or JDK installed (Version
Visit the Selenium Downloads page. Look for the "Selenium Grid" section, as the modern standalone server is bundled within the Grid JAR. including legacy releases
Allows you to scale by distributing tests across several machines (Nodes) managed by a central Hub.