How to use Google Slides
How to use the presentation template in Google Slides
Step 1:
You have to be signed in to your Google account.
Step 2:
Click the link button that you can find on the detail page and open the Google Slides in Google Drive.
Step 3:
Go to the File menu and select Make a copy.
You can get a copy of the document on your Google Drive and will be able to edit slides.