When you start unregistered WIDI, you get the a dialog like this:
Register on Web shows our Order Page in the default browser.
OK starts the program in evaluation mode - file saving capabilities are limited.
Note: According to our License Agreement, you cannot use the trial version of the software for more than 14 days after installation date. After this period startup dialog displays "Evaluation period has expired" message, and most of WIDI functions will be disabled.