: 4.8 (often referred to by KB numbers like KB4486153 or KB4486129 depending on the OS).

The is a comprehensive package that allows you to install the runtime environment on computers without an active internet connection. It is a free, "in-place" update that replaces or upgrades previous versions (4.0 through 4.7.2) while maintaining compatibility. Core Specifications

You should only download this framework from official Microsoft sources to ensure file integrity and security. Microsoft .NET Framework 4.8 offline installer for Windows

: To run existing applications built with .NET Framework and provide a foundation for developers to build new Windows-based software. Official Download Access

: Freeware; available for personal and commercial use at no cost.

: Offline (Standalone), which includes all necessary components in one larger file, unlike the web installer that downloads data during the process.