How to configure VPN in Vista system

How to configure a VPN in the Vista system:

We know that Microsoft's Vista system has made significant improvements to network functionality, especially in terms of settings, which are very different from previous versions of the system. This leaves many new users who have just installed the Vista system at a loss, feeling that the settings are very difficult. Below, the author will teach everyone how to set up and manage a VPN (Personal Virtual Network) under the Vista system.