You can download and install the latest version of Mezzmo from http://www.mezzmo.com.
The Mezzmo setup program will install Mezzmo Windows app onto your computer. When running Mezzmo, it will detect whether it is running as the free Mezzmo version or the paid Mezzmo Pro version.
If you are running the free Mezzmo version, then you will not have access to some features that are only available to Mezzmo Pro. See Mezzmo vs. Mezzmo Pro Comparison.
If you have purchased Mezzmo Pro, then you can enter your Mezzmo serial number and license key into Mezzmo and it will become Mezzmo Pro. Enter your Mezzmo serial number and license key using the Help → Register menu item. You can check if you have successfully registered your copy of Mezzmo Pro by going to the Help → About dialog.
If you are running the free Mezzmo version, then you can try out Mezzmo Pro for 15 days to determine if you like it. Go to the Help → Get Mezzmo Pro menu item to start your free 15-day Mezzmo Pro trial.
You may see this message when you download the Mezzmo installer program when using Microsoft Internet Explorer or Microsoft Edge web browsers. The reason for the message is that Microsoft's SmartScreen technology in Windows is not able to validate the current Mezzmo installer. This can occur when a new version of Mezzmo is released.
When Microsoft SmartScreen is displaying this message, do the following:
Or, go to your Windows Downloads folder in Windows Explorer and double-click on the Mezzmo-setup.exe program.
Or, use another web browser such as Chrome or Firefox to download the Mezzmo installer.