After the server reboots, you should verify that the installation was successful.
Microsoft .NET Framework 4.8 is the latest available version of the .NET Framework for Windows Server 2016 (note: .NET 4.8.1 is also available but requires specific OS updates). It includes significant improvements in reliability, security, and performance. It also provides in-place updates for .NET Framework 4.x, meaning it will replace previously installed versions like 4.5, 4.6, and 4.7. .net framework 4.8 offline installer for windows server 2016