Hi Lakisha Hall,
If you don't have a product key and want to uninstall the current Windows, please prepare an installation media and perform a clean install with it. You can simply format the disk during the installation to remove the old Windows. If you have personal data and files that you want to save, back them up to an external hard drive, USB thumb drive, SD card, or cloud location (such as OneDrive) before you begin to reinstall Windows 10.
Best Regards,
Ian Xue
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