How to update Chromebook — Step-by-step instructions:
Connect your Chromebook to a Wi-Fi network.
Click on your account photo in the bottom-right corner of the screen.
Click the menu icon in the upper-left corner and select “About Chrome OS.”
Click “Check for Updates
Further more information please call at 1-866-535-7333.
It is ok to contact this poster with commercial interests.
1) Do NOT send money for shipping the pet from abroad, they are scams.
2) Beware the seller or buyer who is from overseas.
3) Avoid bank wire service and western union because they has no buyer protection.
4) The safety way is to deal locally with people you can meet in person.
5) More about How to Avoid SCAMs.