Attention: Please follow these instructions.
- Download the add-in via the download link.
- Locate the file in the Finder.
- Right-click (or ctrl+click) on the file.
- Select Open. (If you are not offered Open, repeat the previous step.)
- In the following dialog, select Open.
- After installation, please check the "Trust access to the VBA project object model" box in the "PowerPoint | Settings | Security" menu.