Downloaded File Size: ~360MB. Make sure you have a good connection. If your connection fails, you can try again, multiple times.
Install Moments Designer: Open the DMG file by double-clicking it, you will see a Finder window. Drag Moments application's icon onto Application folder and you're done.
You might need to run it twice. At first run, Moments will update itself to the latest version and will close. After this, run it a second time to evaluate.
Having trouble running the trial versions? When running from the first time, you might be prompted with this message, being a program downloaded from the internet. Allow it to start by going to top menu, Apple -> SystemPreferences -> Security&Privacy, you should have a section something like: "Allow apps downloaded from:". Allow Moments to run OR start it from there.
Check out
Moments Designer FAQ page for more details.
If you are still having trouble running the software, please
give us an email and report your issue and we'll look into it.