how to reset password in security and privacy preference

See this article Change or reset the password of a macOS user account - Apple Support

If you remember the old password , click on change password in users and groups , a pop up window will appear , fill up the fields and click on change password and in any case you don't remember the old password , see the steps in the article .

Click the Change Password button and fill out the fields.

It seems rather obvious, so are you experiencing a problem when you try to change the password? If so, please describe the issue.

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