Apparently you do not have Internet Explorer so automatic install will not function.
Please do it in
following two steps:
To use Topbridge you need java. Get java here.
After the install of java use this
link to start the Topbridge client.
If you are on MAC OS X you have java so just click at the link to start the topbridge client.
Otherwise also if you have java just click at the link to start the Topbridge client.