Microsoft Net Framework 1.1 Service Pack 1 64-bit Download Free

Microsoft officially considers .NET Framework 1.1 "End of Life" and no longer supports it on modern operating systems like or Windows 11 .

Microsoft has archived this software. The official file name is typically: NDP1.1sp1-KB867460-X86.exe (Note: Despite the X86 label, this is the correct package for 64-bit installations via WOW64). microsoft net framework 1.1 service pack 1 64-bit download

Standard installation often fails due to compatibility blocks. The most reliable method to run apps requiring this version on modern systems is to , which includes the legacy codebases for versions 1.1 and 2.0. Open Control Panel and select Programs and Features . Click Turn Windows features on or off . Microsoft officially considers

You can often force a .NET 1.1 application to run on .NET 3.5 SP1 with configuration changes. Edit your app.config file to add: Click Turn Windows features on or off

dotnetfx.exe /c:"msiexec.exe /a netfx.msi TARGETDIR=C:\DotNet" Extract SP1: NDP1.1sp1-KB867460-X86.exe /xp:C:\DotNet\SPS_Deployment.msp