You can easily copy a presentation from one account to another by following these steps:
Open the presentation as if you were editing.
Copy the full website URL shown in the browser:
3. Send this link to the person you want to share the presentation with.
Tip: If you are the owner of both accounts, open the account you are copying the presentation to in a different browser or in an incognito window.
When they open the link from their logged in account, they will be able to see a View Only copy of your presentation (unless they have been invited as a collaborator).
They will have the option to save a copy of your slides on their own account if they wish to:
Note: This process will create a new blank copy of the presentation in the new account. Previous results will not be copied to the new account.