Symptom:
(public)
I receive a license (.key) for Heartsome software, but do not how to use it.
Problem:
(public)

Solution:
(public)
1. Save your license key file to your local hard disk.
2. Launch Heartsome software by clicking the icon on the desktop or in the Start menu.
3. Click menu Help > Upgrade License.
4. Use the Browse button to help you complete the path to the temporary license key.
5. Click the Upgrade License button.

NOTE: All the licenses are Operating System independent, that means a same license can be used on Windows, Linux or Mac OS on the same computer.