Your trial license key is:
608183B0DC6DDD4DD01830D39B47AC768725DFADD24DC614F249B1FE9C739102
Put the following code snippet at the beginning of your applications:
OfficeComponent.Licensing.Common.LicenseManager.SetLicenseKey("608183B0DC6DDD4DD01830D39B47AC768725DFADD24DC614F249B1FE9C739102")
If you see the copyright message after the trial key is set: