Create an offline installer for Visual Studio 2017 | Microsoft Docs

https://docs.microsoft.com/en-us/visualstudio/install/create-an-offline-installation-of-visual-studio

For Visual Studio Community, run:
vs_community.exe --layout c:\vs2017offline

To download all workloads and components for only one language, run:
vs_enterprise.exe --layout C:\vs2017offline --lang en-US