To locate apps or extensions for your Dell Chromebook, visit the Google Chrome Web Store. You can also reach the Chrome Web Store by clicking the icon on the New Tab page.
原因
In the left column of the Chrome Web Store, click Apps or Extensions.
Browse the store to locate the app or extensions you wish to install.
Click the Add to Chrome button on the details page. If the button specifies a price, you will need to purchase the app.
Review the types of data that it will be able to access. Confirm the installation and it will be installed.
Your apps will appear in the launcher (located in the lower left-hand corner), and your extensions will appear in the upper right-hand corner of the Chrome browser next to the address bar.
解决方案
Notes:
The pre-installed Google apps are located in the upper right-hand corner next to your Google Account icon.
For more information on Using and Troubleshooting the Chrome Operating System, refer to the Chrome OS Support site.