In order to get add-ons and plug-ins for Google Chrome, you to go to Chrome Plugins. Type the address into your browser. Then, press Enter. Scroll down the list. Choose and add-on that you want: for example, Click & Clean. Click on the one that you would like to choose. Find "Download Latest Version" and click on it. Wait for it to download and click on it. There are lots of options. Click & Clean allows you to clean your browser with only one click. Session Save allows you to save the session that you are working in. Smooth Scroll allows you to scroll in a fluid and smooth manner. You can also add a Tool Strip Address bar.