If you have recently installed Java, you will have to restart your browser. For that, close all browser windows and then re-open. It would help if you did this to browse and recognize the installation. Now, click on Tools and then tap on Internet Options to answer how to enable java in chrome. After that, select the Security tab and choose the Custom Level button. Then scroll down to Scripting of Java applets and then make sure that the Enable radio button is checked. After that, click on OK and save your preference.