1. Download *.glox files from release.
2. Put downloaded files to %AppData%\Microsoft\Templates\SmartArt Graphics.
3. Enjoy.

Alternatively, you can download 01-glox-all.zip and extract all files to that folder.

If you can't use glox files (e.g., you use macOS), you can still download corresponding pptx files and copy diagrams in it.

Again, you can download 02-pptx-all.zip to get all.

Currently, all template files are extracted from Designer, and the uniqueIds start with microsoft.com. So I think it is OK to use as long as you have a license for Microsoft Office.

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