In March 2008 the trialware download was changed. At that time we began to charge for updating to the latest version. The last patch that was available for download was probably when Windows XP was released.
If you have the latest version of Pro on your License Server, there would be no need to download from our website. This creates extra unnecessary steps. With your TCP5_User folder shared on the network, you can browse from the workstation to the shared folder to run Setup, which installs the program and licenses it as well.
You should be able to browse from your workstation to the TCP5_User folder and run Setup (you should be able to cancel out when you reach the ConfigWizard screen, since the PC is already licensed). This will install whatever version you have on your License Server onto the workstation, and will give you a permanent version, getting rid of the message that your program will expire.