Delete my account from PC to sell - Microsoft Community

Feb 20, 2019 What Should I Do to My Computer Before I Sell It? Dear Lifehacker, I know I should securely wipe my hard drive before I sell it, but is there anything else I should do before I put it up on eBay? I want to make the transition as smooth as possible. How to Wipe the Hard Drive of a Windows Computer: Geek If you're selling or giving away a Windows computer, you'll want to wipe the hard drive to remove all of your personal data from it before handing it over to someone new. Simply deleting files or formatting the hard drive isn't enough, as data recovery software may make it possible to recover the data later. How Do I Securely Wipe a Computer? - Lifehacker

Wipe Hard Drive Before Selling with an Excellent Drive Wiper

What to do before selling your old PC | Windows Central

May 13, 2018 Wipe All Data from Dell Computer Permanently