Once you purchase the software you'll receive an email with your "Log in Information"
Click on Login URL and insert your Login information from the email:
Now, click on the "Download" button
Select your operating system to start the download
You can find the file inside "Downloads"
Just double-click on the file and expand it.
Move Create icon to "Applications"
Now, double-click on Create icon. Once the pop up appears > click on "Open"
Use the login details sent to your email and ENJOY CREATE :)