To update Google Chrome:
Click the Menu Icon (
⋮) at the top right > Help > About Google Chrome
If there is an update, Chrome should start updating by itself.
Once the update has downloaded, click the RELAUNCH button
You can double check version after Chrome has relaunched. If you're using the most recent version, it will say Google Chrome is up to date
If you run into any issues updating Chrome, please visit Google's Support Center.