preview that says "Use as Google Slides Theme".
You will get a copy of this document on your Google Drive and will be able to edit, add or delete slides.
You have to be signed in to your Google account.
EDIT IN POWERPOINT®
Click on the button under the presentation preview that says "Download as PowerPoint template". You will get a .pptx file that you can edit in PowerPoint.
Remember to download and install the fonts used in this presentation (you’ll find the links to the font files needed in the Presentation design slide)