You can use the license manager to request a trial key. .
- Launch the license manager application from the start menu (start menu > NumXL:
- The License Manager is launched. Click on the "Request Trial key" button:
- Fill in your name and email address, and click OK.
- Next an email with a trial key will be emailed to you. Give it a minute or two and then check your email inbox (and spam/junk box).