Chrome - Checking Current Version and Mannually Updating
Follow the below steps to check what your current version of Chrome is and manually update if needed.
Open up Chrome and click on the 3 vertical dots in the upper right hand corner of the window to open the menu, hover over Help and click on About Google Chrome.
This will open a new tab in Chrome called Settings - About Chrome. From here you can see the version and if you need to update it.