You may wish to know your browser version number to determine whether you are running the latest version of the browser. To check the version number, you should do the following:
You can check the browser version number of Internet Explorer by opening the Help menu and then selecting About Internet Explorer.
You can check the browser version number of Google Chrome by selecting the Chrome Customisation (3 bars horizontal as shown below) option in the top right hand corner and selecting About Google Chrome.
You can check the browser version number of Mozilla Firefox by opening the Firefox menu and selecting Help and then About Firefox.