While Windows 10 and 11 have a built-in client, it is technically not a service and still requires you to connect to a third-party like Cyberghost Jiasuqi. It’s also not easy to set up. So in most cases you are better off using the Cyberghost Jiasuqi app directly.
Get a risk-free Cyberghost Jiasuqi free trial with all the features of Cyberghost Jiasuqi. You can try it out before you decide to make a purchase. No payment method needed!