) and use administrative command-line tools to extract and "slipstream" the Service Pack into the main installer before running it.
A: The MSDN archive is still live: docs.microsoft.com/en-us/previous-versions/dotnet/netframework-1.1/ microsoft net framework 1.1 service pack 1 64-bit download
Extraction complete. Installation successful. ) and use administrative command-line tools to extract
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