.net Framework 4.9 Offline Installer For Windows [new]
Are you deploying this to a or across an enterprise network ? Are you encountering a specific error code ?
Ensure you have adequate free space (typically at least 2GB free for installation files). .NET Framework 4.9 Offline Installer for Windows
When you visit the official download pages above, look for: Are you deploying this to a or across an enterprise network