You can easily extend your free trial of Crossware by following these steps.
Register for a new trial key
Register for a new key by filling in the download request form here.
Check your inbox for the email containing a trial key
When the email arrives, it will contain instructions for downloading the software. If you have already installed the software, ignore these instructions, however the email will contain a new licence key, which is valid for a further 30 days.
Update your existing licence key
Copy the licence key from the email, and follow the steps here to: