Step 5: When you're back to the Save As dialog, click Save to save the changes. That's it. Next time you won't be required to enter password to modify when opening this presentation file.
At this point if you leave the fields empty and click OK, the password will be resetted or removed. If you enter a new password into both fields, the password will be changed to the new password you have entered. 2b1af7f3a8