I am a .net Chinese developer . When I downloaded the SDK(4.7.2 dev pack) package on the official website with Chrome explorer, the page was redirected(http302) to download the language pack only, not the "really" dev pack.
download pages :
https://github.com/dotnet/docs/blob/master/docs/framework/install/guide-for-developers.md
https://www.microsoft.com/net/download/thank-you/net472-developer-pack