Microsoft reached a "final" state for the legacy .NET Framework with version 4.8.1 to focus on the unified .NET platform.
Use .NET 9 or .NET 10 . These provide the best performance for new development. Download .NET Framework 4.8.1 Offline Installer .NET Framework 4.9 Offline Installer for Windows
Since there is no official 4.9 release, the official .NET Framework 4.8.1 download is the correct choice for users needing the latest "4.x" features. Microsoft reached a "final" state for the legacy
Use .NET Framework 4.8.1 . It remains supported as a component of the Windows OS. .NET Framework 4.9 Offline Installer for Windows
Avoids installation interruptions caused by fluctuating network speeds.