Download the Webdriver corresponding to the browser you want to use.
Install the downloaded Webdriver in a location of your choice, such as C:\webdriver\Chrome .
In the Windows Start Menu, find and open the Edit the system environment variables entry. The System Properties window is displayed.
Click the Environment Variables… button at the bottom of the page. The Environment Variables window is displayed.
Select the Path variable either from the User variables or System variables section and click the Edit… button. The Edit environment variable window is displayed.
Click the Browse… button and select the folder where you installed the corresponding Webdriver executable. In our case this is C:\webdriver\Chrome .
Click the OK button on all previously opened windows to save the changes. The Webdriver protocol is now installed.
Restart the Robot Service for the changes to take effect. You are now ready to use the Webdriver protocol in your automation projects.