Don’t like Windows 10? As long as you’ve upgraded within the last month, you can uninstall Windows 10 and downgrade your PC back to its original Windows 7 or Windows 8.1 operating system. You can always upgrade to Windows 10 again later.Even if it’s been more than a month, you should be able to reinstall the version of Windows that came with your PC using fresh installation media and its product key. Read full story below…

Source: How to Uninstall Windows 10 and Downgrade to Windows 7 or 8.1