Shockwave and Flash are considered to be high security risks and many browser now have them turned off by default. You will get a message either saying Flash is not installed or is out of date. Before updating flash look at chrome://plugins by putting that in the address bar and see if you need to check the box to enable flash to run on a web site.
Flash is a high-security risk and we wish it would be removed from websites
For reasons why and for help to disable Flash select the link below.