1. Left-Click once the 3 dots in the upper right-hand corner of Chrome next to your Google Profile.  
  2. Hover over "Help" (don't click it). 
  3. Left-Click once on "About Google Chrome". 
  4. The page that loads will show you that your Chrome browser is either up to date or needs an update.  Click the Update button if it's showing it needs and Update.  Then repeat  steps 1 to 4 until you see that Chrome is fully updated.