Clone the project with git clone https://github.com/salesforce-ux/design-system.git
Run npm install in the root design-system folder.
Run npm start to launch the Previewer.
Visit http://localhost:3003/local/preview
事前インストール
Node.js
https://nodejs.org/en/
python
https://www.python.org/downloads/windows/
.net framework 2.0 SDK
https://www.microsoft.com/ja-jp/download/confirmation.aspx?id=15354
microsoft visaul 2005
https://www.microsoft.com/ja-jp/download/details.aspx?id=5553