Choose options in the dialogue that appears:
Who can access: Click the first pop-up menu and choose “Anyone with the link”.
Permission: Click the second pop-up menu and choose “View only” if you don’t want the people you’re sharing with to be able to change the presentation; otherwise, choose “Can make changes”.
Note: Don’t add a password. (If you do, the link you embed won’t work.)
Do one of the following:
If the presentation isn’t already shared: Click Copy Link, then click the Share Stop sharing a presentation in Keynote on Mac