It seems that John is an additional user profile on your Windows 10, likely created before your PC purchase. Below are steps on how you can address this issue and remove John's account from the initial login screen: Make sure you are logged into your administrator account in Windows 10 to make these changes.
Who is John. How to get rid of him - Microsoft Q&A
Ronald is a masculine given name derived from the Old Norse Rögnvaldr, [2] or possibly from Old English Regenweald. [3] In some cases Ronald is an Anglicised form of the Gaelic Raghnall, a name likewise derived from Rögnvaldr. [4]
Scottish form of Ragnvaldr, a name introduced to Britain by Scandinavian settlers and invaders. It became popular outside Scotland during the 20th century. A famous bearer was the American actor and president Ronald Reagan (1911-2004).
Ronald - Name Meaning, What does Ronald mean? What does Ronald mean? Ronald as a boys' name is pronounced RAH-nald. It is of Old Norse origin, and the meaning of Ronald is "ruler's counselor". Also possibly from the same root as Reginald and Reynold.
Ronald - Name Meaning, What does Ronald mean? - Think Baby Names
Ronald is a boy's name of Scottish, Norse origin meaning "ruler's counselor". Ronald is the 575 ranked male name by popularity.
A suitable middle name for the Old Norse and Old English name Ronald may include Wilson, inspired by Ronald Wilson Reagan, the 40th President of the United States.
Ronald Wayne helped Steve Jobs and Steve Wozniak create Apple—but sold out just 12 days in. He never became a billionaire, but tells Fortune he has no regrets.