1.    At the top right of your Google Chrome Browser, click on the 'Customise and Control Google Chrome' button (3 Horizontal Lines)


2.    This will give you a drop down menu. Click 'Help and About' followed by 'About Google Chrome


         

3.    This will provide you with information about the version of Google Chrome you are using. (e.g. Version 45.0.2454.93 m)