To end a presentation, you can say:
conclusion …..........................
To summarize …,,,,,,,,,,,,,,,,,
And on that final note, that concludes my presentation.
That brings us to the end of the presentation. I’d like to summarize by saying …
Thank you so much for your interest and attention.
In short...............................
Overall..............................
In closing,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,