This happens, because you have enrolled your computer to install the preview of Windows 10 with the Microsoft preparation tool released for Windows Insiders. When you install the tool, it configures Windows 7 or Windows 8 to receive Windows 10 via the Windows Update service. However, you might have realized that it’s not very wise to install a big piece of software in your main computer when still not ready for primetime, and there are many more safely ways to test the operating system. Now the issue is that ignoring the message doesn’t make it go away. At the time Microsoft released the preview, your operating system connected to the Microsoft servers and downloaded almost 3GB worth of installation files, which now it’s sitting in your hard drive wasting valuable space. If you’re no longer pursuing to install the preview on your main computer, it’s not difficult to stop the message from Windows Update and stopping the toast alerts that appear every now and then, just follow the steps below.

How to remove upgrade to Windows 10 update from Windows 8.1

If you change your mind, you can always prepare your computer again to install the preview version of Windows 10. KB2990214 update in Windows 7. KB3014460 update in Windows 8.1. As far as I can tell, you’ll find update KB2990214 on Windows 7 and update KB3014460 on Windows 8/8.1.

It’s worth pointing out that Microsoft has already confirmed that Windows 10 will be a free upgrade for Windows 7 and Windows 8 home users. Additionally, Windows Insiders testing the preview will be able to upgrade without having to clean install Windows 10 in their PCs. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.