1) On Windows , copy the sticky notes file from AppData\Roaming\Microsoft\Sticky Notes
2) On Windows 10, start Sticky Notes.
4) First, close Sticky Notes on Windows 10.Then, Go to PC Settings > System > Apps & Features > Sticky Notes > Advanced Options > Reset.
5) paste that file StickyNotes.snt to AppData\Local\Packages\Microsoft.MicrosoftStickyNotes_8wekyb3d8bbwe\LocalState\Legacy (having manually created the Legacy folder beforehand)
3) Rename StickyNotes.snt to ThresholdNotes.snt
4) Open Sticky notes and voila.