The final major version of the classic .NET Framework is (and its minor update, 4.8.1). Microsoft has transitioned its naming convention to the unified ".NET" (dropping "Core" and "Framework") for all versions 5.0 and higher. If you see a download for "4.9," it is likely either a mislabeled version of 4.8.1 or an unofficial package. Why You Need an Offline Installer
Before installing the .NET Framework 4.9 offline installer, ensure that your system meets the following requirements: .NET Framework 4.9 Offline Installer for Windows
Third-party websites often "version-bump" their titles to attract clicks from users looking for the "latest" version, even if the file inside is just the standard 4.8.1 installer. The Pivot to .NET (Core): The final major version of the classic