.NET Framework 2.0, 3.0, and 3.5 are bundled as a Windows Feature , not a standalone installer. Here’s how to enable it:
https://download.microsoft.com/download/C/6/E/C6E88215-0178-4FA7-B7A3-0E7E2E2E8E2E/NetFx20SP2_x64.exe net framework 2.0 offline installer