The following PowerShell commands (using the PowerShell admin prompt) can be used on Windows Server 2019/2022 Core for installing the IIS feature:
1. Install IIS and its components:
Install-WindowsFeature -Name Web-Server,Web-WebSockets,Web-Asp-Net,Web-Asp-Net45, Web-Mgmt-Console
2. Check for installed features:
Get-WindowsFeature
3. After installation, IIS Manager can be run by using its full path and name. The default path is:
C:\Windows\System32\inetsrv\InetMgr.exe.