.net framework 3.5 not installing on windows 10 code example

Example 1: install .net core sdk on linux

wget https://packages.microsoft.com/config/ubuntu/19.10/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb

Example 2: how to install .whl file in windows 10

pip install C:/some-dir/some-file.whl