1. Open up your browser
Click on start and then click on your browser like Edge or Chrome or Firefox.
2. Enter the following URL
Type in the following url and then press enter:
https://docs.microsoft.com/en-us/exchange/new-features/new-features?view=exchserver-2019.
3. Take note of the new features
Read through the Microsoft docs article to understand the major improvements in Exchange 2019 over 2016.