Source unreachable when using the NuGet Package Manager Console

Question

We are moving our package management from manually updating files to NuGet. I am trying to install older versions of packages to match the one we already have in source cont

Answer 1

This is worked for me in VS 2015 prof: Tools -> Options -> Nuget Package Manager -> Package Sources

1. Press Add button
2. Edit in Name label: nuget.org
3. Edit in Source label: https://www.nuget.org/api/v2/
4. Press OK

Hope it helps ;)