Microsoft Net Framework 1.1 Service Pack 1 64-bit Download !!exclusive!!
dotnetfx.exe /c:"install /l"
If you are mass-deploying to 100+ legacy workstations: microsoft net framework 1.1 service pack 1 64-bit download
How to Install .net framework 1.1 in Windows 7 64-bit? - Microsoft Q&A 25 Nov 2009 — dotnetfx