Good afternoon, @mdt20.
It's great to see you back in the Community. I can share some details to help answer your questions.
Yes, you'll need to run the updates, but you won't have to re-enter all the data. This should be saved in the company file.
For more info, here's a link about updates that could come in handy.
I'm only a post away if you need me. Wishing you and your business continued success!