How to Reset Notepad to Its Default Settings in Windows 10?
Step 1: Press 'Windows + r' key on the keyboard to get 'Run' Window.
Step 2: Type 'regedit' in the box without quotes, and then click on 'ok' button to open registry editor.
Step 3: Now go to path below:-
Computer\HKEY_CURRENT_USER\Software\Microsoft\Notepad
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https://www.youtube.com/watch?v=qg40Jzd-ofg