1. Tap on the notebook with two fingers, the menu will pop up.
2. Click "Lock," and put your password.
3. Click Lock, your note is now under protection.
Remove or Change Password
1. Tap on the protected notebook with two fingers, the menu will pop up.
2. Click "Edit password."
3. Enter the old password first.
4. You can either put the new password or leave it empty to remove the password.