The note-taking tool is not enabled by default. Launch the Edge browser and turn on the OneNote Feed option to get started. More details here.

If you want to add or remove apps on Sidebar in the Microsoft Edge browser on a Windows 11/10 PC, you can use any of these two methods.

Download and install the Microsoft Edge browser. Open the browser and navigate to the webpage you'd like noted or summarized. Click on the Copilot icon in the upper-right-hand corner of the browser.

Microsoft Edge is the default browser for Windows 10. This cheat sheet covers the basics of Microsoft Edge, including how to set up the browser and optimize and use key features.

Microsoft Edge Collections is another handy add-on Chrome can borrow. It goes beyond a mere collection of bookmarks. Aside from adding relevant web links, you can create notes in your collection.