Net Framework 1.1.4322 !new! Download Site

As of 2025, .NET 1.1 has unpatched vulnerabilities. Only run it on machines with no internet access or behind rigorous network controls.

To get it working, you must download both the redistributable ( dotnetfx.exe ) and the Service Pack 1 ( dotnetfxsp1.exe Net Framework 1.1.4322 Download