It is important to understand the distinction between cumulative updates and security updates:
Mount the ExchangeServer2016-x64-cu23.iso file in Windows Server. Run Setup.exe: Run setup.exe as an Administrator.
Both editions share the same ISO. The edition is unlocked by the product key you enter during installation. --- Microsoft Exchange Server 2016 Iso Download
Choose your installation path (highly recommended to use a fast, dedicated drive separate from your OS drive).
The total installation time typically ranges from 30 to 60 minutes, depending on hardware performance. It is important to understand the distinction between
Once completed, click and reboot your Windows Server to finalize configuration. 7. Post-Installation Checklist
Occasional updates or Cumulative Updates (CUs) may be listed on the Microsoft Download Center The edition is unlocked by the product key
Install-WindowsFeature NET-Framework-45-Core, RPC-over-HTTP-proxy, RSAT-Clustering, Web-Server, Web-Basic-Auth, Web-Windows-Auth, Web-Metabase, Web-Net-Ext45, Web-ASP, Web-ISAPI-Ext, Web-ISAPI-Filter, Web-Lgcy-Mgmt-Console, Web-Mgmt-Console, Web-Mgmt-Compat, Web-WMI, Web-Lgcy-Scripting, Web-WHC, Web-Client-Auth, Web-Dir-Browsing, Web-Http-Errors, Web-Http-Logging, Web-Http-Redirect, Web-Http-Tracing, Web-Request-Monitor, Web-Static-Content, Web-DAV-Publishing, Web-Scripting-Tools, Windows-Identity-Foundation