reinstate deleted files

If you put them in the Trash and then emptied the Trash, the chances of recovery are slim. But if you have a Time Machine backup you can easily recover them.

Use Time Machine to restore deleted files or older files - Apple Support

Yes, just restore them from your backup.

What is the date of your last backup, and by what method?

what year and screen size MacBook Pro?

Does your MacBook Pro have a rotating magnetic drive or SSD drive as its boot drive?

If you used the computer at all since the deletion, the files are probably now partially overwritten and unrecoverable.

Restoring from a backup is you best option. Professional recovery is dreadfully expensive and likely not to help if you continued to use the computer.