Navigate to the following path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full
To conclude, there is no ".NET Framework 4.9". The confusion likely stems from the modern .NET 9 platform, which is an entirely different cross-platform product. For classic Windows applications, the correct, most advanced, and most secure version is . Its offline installer is readily available from Microsoft and remains the gold standard for running Windows applications that rely on this technology.
If you are maintaining legacy software, standardize on the . If you are a developer working on new projects, shift your focus to .NET 8.0 or 9.0 , which represent the future of the platform. For those managing a diverse set of legacy systems across disconnected environments, the community-driven .Net Packages AIO can be a useful tool, provided you accept the security trade-offs. .NET Framework 4.9 Offline Installer for Windows
Version 21H2 and later (October 2020 Update or later) Windows Server: 2022, 2019, 2016
What specific and version are you deploying this on? Its offline installer is readily available from Microsoft
(formerly .NET Core), which is currently on version 9.0 and 10.0
.NET Framework 4.8.1 Offline Installer for Windows: Complete Guide & Download For those managing a diverse set of legacy
/norestart : Prevents the installer from automatically restarting the computer after setup completes.