How To › Windows How Do I Change My Windows Product Key? Change the Product Key in Windows (10, 8, 7, Vista, and XP Share Pin Email Print Microsoft / All Rights Reserved Windows Installing & Upgrading Basics Guides & Tutorials Tips & Tricks Key Concepts by Tim Fisher Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire. Updated January 03, 2019 Continue Reading