Use your email address
A trial activation key is not needed to start the free 21-day trial. Simply download and install the Reference 4 demo, and enter your email address to start your trial:
Trial extensions and offline computers
If you have already trialed the software in the past though, and need an extension to your demo (or if you're using an offline computer), you will need a trial activation key. For that, please submit a support request below - we will provide a new trial key for you!