FREE Penbook Windows 10 App (Reg. $19.99)
The Microsoft Store has the Penbook Windows 10 App for FREE until July, 3rd. Penbook is the nicest freehand writing experience on Windows 10. Penbook was built for pens (but you can use your finger or a mouse, if you want), and includes support for Surface Dial. Go here then click on the Get button and sign in to add to your device.
Take notes, plan your day (or year), draw a sketch, or do your math homework. Penbook includes dozens of kinds of stationery, from graph paper to sheet music. You can even import your own photos or PDFs to write on.