Chrome will check and install updates without any interaction from you, but if you want to make sure you are on the latest version, follow the steps below:

 

1.  Click on the 3 dots in the top right-hand corner

 

 

2.  Click on "Help", and then "About Google Chrome"

 

 

3.  You will see ONE of the messages below.  

 

Chrome is up to date (no action is required):

 

Chrome is in process of downloading/updating (it may ask you to relaunch Chrome when finished):

 

 

Chrome may have already updated on its own (you will need to click on "Relaunch"):

 

 

Chrome is checking for updates , then it will download/update (it may ask you to relaunch Chrome when finished)