Unless you are maintaining a legacy test suite that breaks on newer versions, it is highly recommended to upgrade to . Selenium 4 introduced native W3C compliance, a completely rewritten Grid, and better observability features, making it the industry standard for modern web automation.
Acting as a central hub to manage multiple test environments.
Even with version 3.5.3, you still need the appropriate browser drivers (like chromedriver.exe or geckodriver ) in your system PATH to interact with modern browsers. download selenium-server-standalone-3.5.3.jar
Once you have downloaded the file, you need the installed on your machine. Open your terminal or command prompt and use the following commands: 1. To start a standalone instance: java -jar selenium-server-standalone-3.5.3.jar Use code with caution. 2. To start it as a Selenium Grid Hub: java -jar selenium-server-standalone-3.5.3.jar -role hub Use code with caution. 3. To start it as a Grid Node (connecting to a hub):
Released in August 2017, version 3.5.3 was a stable iteration of the Selenium 3 series. Its primary roles include: Unless you are maintaining a legacy test suite
Allowing tests written in languages like Java, Python, or C# to communicate with browsers on different operating systems.
Selenium 3.5.3 typically requires Java 8. It may encounter issues if run on significantly newer versions like Java 17 or 21 without specific flags. Should You Upgrade? Even with version 3
Because Selenium 3.x is no longer the "current" release, you won't find it on the main Selenium downloads page. Instead, you must access the official historical archives: