This article explains how to use Bing AI on Windows 11. It also explains how to hide or remove it.
How to Install Bing with ChatGPT as an App on Windows 11
The easiest way to use Bing AI in Windows 11 is through Copilot. You can activate that sidebar with the Win+C keyboard shortcut.
Here are some other ways to access the Bing Chat site from Windows 11:
Another method is to select the Bing Chat button in the sidebar in Edge. This provides a condensed, but essentially identical interface to the website.