Step 1: Add this Visual Studio 2017 Plugin
Step 2: Open or create a ASP.NET Core 2 project. Right Click the project and choose “Quick Install”
Step 3: Add the Typing Engine from npm. It might take a few minutes. npm will add Typings suppport….
Step 4: Change the kind to Typing then select jQuery (or any other one there)
A new Typing folder is added.
Step 5: Drag and drop the index.d.ts file in the root of the Typings folder to the top of your .ts files.
That’s it! You now have Typings support in your TypeScript files.