If you have no internet access but have the Windows installation media (ISO or USB), you can enable the feature via Command Prompt (Admin):
: Type "Turn Windows features on or off" in the Start menu search and open the result. Select .NET Framework 3.5 : Find the entry labeled .NET Framework 3.5 (includes .NET 2.0 and 3.0) : Check the box and click net framework 20 offline installer 64bit
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe test.cs test.exe If you have no internet access but have
In an era of high-speed internet, cloud computing, and continuous deployment, the idea of downloading an offline installer for a software framework released nearly two decades ago might seem antiquated. However, for countless IT professionals, industrial engineers, and retro-gaming enthusiasts, the remains an indispensable tool. While Microsoft has long since moved on to .NET 8, 9, and beyond, version 2.0 serves as a critical compatibility layer for legacy applications that refuse to die—and the offline installer is the key to unlocking them without an active internet connection. While Microsoft has long since moved on to
: Windows Server 2003 or Windows XP Professional x64 Edition.
Once finished, the legacy .NET 2.0 environment will be active. 3. Legacy Installer (For Windows XP / Server 2003) Microsoft .NET Framework 2.0 Service Pack 1 (x64)