Net Framework 20 Offline Installer 64bit Online

Always download from official Microsoft sources to avoid malware. Here are the two primary URLs that still serve the :

: Developers can split a single class definition across multiple source files, a feature primarily used to separate manual code from auto-generated designer code.

Do not download the installer. Instead:

The .NET Framework is a software development framework developed by Microsoft that provides a large library of pre-built functionality, a virtual execution environment, and a set of tools for building Windows-based applications. The .NET Framework 2.0, released in 2006, is one of the most popular versions of the framework, and is still widely used today.

On modern 64-bit systems, .NET 2.0 is already present but disabled by default. You can activate it without a separate download by following these steps: Open Windows Features