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)
EDIT IN GOOGLE SLIDES
Click on the button under the presentation preview that says "Use as Google Slides Theme".
More info on how to use this template at www.slidescarnival.com/help-use-presentation-template
This template is free to use under Creative Commons Attribution license. You can keep the Credits slide or mention SlidesCarnival and other resources used in a slide footer.