To get the most up to date version of Google Chrome do the following:-
- Open Chrome
- In the address bar enter 'chrome://settings/help'
That's it Chrome will now automatically check for updates. If an update is found, then it will install, and you will need to relaunch the Chrome Browser.
If you want to use the Chrome menu to update
- Click on the 3 vertical dots (top right) menu to 'Customise and control Google Chrome
- In the menu select 'Help' > 'About Google Chrome'
Google will now again automatically check for updates and apply them as necessary.