1) Click on the time at the bottom right corner of the screen.
2) Click the gear wheel icon next to the lock icon at the top of the menu.
3) Click on "About Chrome OS" at the bottom of the left panel.
4) If you aren't given the option to check for updates after clicking "About Chrome OS,"
click on the "Chrome OS Settings" as pictured.
5) Click the "Check for updates" button.
6) Once the update finishes downloading, click the "Restart" button.
7) Your Chromebook should now be completely up to date.
If the device states you are not up to date - reboot and try again.
You can call the Help Desk and ask what the most current version is for your Chromebook.