Before you install Exchange 2019, we recommend checking out the contents of this topic, ensure that your network, hardware, software, clients, and other elements meet Exchange 2019 requirements. Also, make sure you understand the coexistence scenarios support for Exchange 2019 and earlier versions of Exchange.
Exchange 2019 support coexistence scheme
Exchange 2019 network and directory server requirements
Exchange 2019 hardware requirements
Exchange 2019 Compatible Operating Systems
Note :
Fully supported and recommended to install Exchange 2019 on a computer that is running Windows Server Core. Desktop Experience feature is no longer needed.
It does not support installing Exchange 2019 on a computer running the Nano Server.
Exchange 2019 supports the version of the .NET Framework
Exchange 2019 supports client (latest update)
Office 365 Professional Plus
Outlook 2019
Outlook 2016
Outlook 2013
Apply to the Office 365 Outlook for Mac
Outlook 2016 for Mac