Type your note into that window that appears and it will be saved to your Quick Notes.
Just press Windows Key + N on Windows and click New Quick Note or press N again. Its interface may seem a bit busy for taking down a note as quickly as possible, which is why there’s a Quick Note shortcut you can use. The Clipper allows you to easily clip content from web pages to your notes from your browser. OneNote now also offers a OneNote Clipper that works in every major browser.