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.
: A widely compatible version used when the web installer is not feasible due to lack of internet. .NET 10.0 (Latest Release) : For new development, Microsoft recommends the modern .NET Framework 4.9 Offline Installer for Windows
Before installing version 4.8 or later, ensure your system meets these minimums: : 1 GHz or faster. RAM : 512 MB minimum. Disk Space : Up to 4.5 GB for 64-bit systems. Since there is no official 4