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The top app to markup and manage drawings and documents. Ideal for replacing pen and paper, avoid printing documents again by using our intuitive feature set that makes marking up a PDF easy. Open or create a new PDF, markup using our extensive array of tools, then save it back as a compatible PDF.
OneNote
Installed as This very useful note-taking application is part of Microsoft Office, and syncs your notes between all your devices. It is highly recommended. Microsoft guides are available here: https://support.office.com/en-gb/article/Get-started-with-OneNote-and-notebooks-4beb2128-51d9-4531-a4e0-078f605bbfea
You can use the OneNote app on your Surface to take notes and store them in the cloud. With OneNote, you’ll have your notes whenever you need them - on your computer, phone, or on the web. If you have the Bluetooth®-enabled Surface Pen, you can open OneNote with a click of the pen’s top button. For more info, see Using OneNote on Surface.