The Chrome Web Store is where Google stores the apps and extensions that be added to the Chrome browser.
How to Search
You can search the Chrome Web Store by using the search bar in the upper left-hand corner. You can also limit your search to just apps, extensions, games, or themes in the same area (see in the image below).
How to Install App
When you click on an app or extension to install, a pop-up menu will appear. This popup will provide additional information , reviews, and support for the app.
To install: click on the blue “+ Add To Chrome” button in the upper right-hand corner of the pop-up menu.