Vale Server is a cross-platform (Windows and macOS) desktop application that helps enforce writing style guides. It's built on top of, and offers a high degree of compatibility with, the Vale command-line tool.
Download ValeServer-1.x-windows.exe (where 1.x will be the latest version) and follow the on-screen instructions:
After installation, Vale Server will automatically launch in the background (http://localhost:7777 by default) and you will see its icon in your taskbar:
Right-clicking this icon will open a menu that allows you to configure the server.
Usage of Vale Server requires a license key, which you can get from the main website.
To activate Vale Server on Windows, navigate to the application's context menu from the taskbar and select Enter License...:
You'll then be prompted to enter the license key that you either received with your purchase receipt (paid) or via email (trial):
If your license is successfully validated, you'll see the following notice appear:
Otherwise, you'll see a message dialog indicating what went wrong.