How to delete the prompt icon of Win10 free upgrade in the lower right corner of the computer?

        Recently, Microsoft has pushed the Win10 free upgrade prompt to Win 7 and Win8 users around the world. A prompt icon will appear in the lower right corner of the user's computer. This icon will always be in the lower right corner of the taskbar and cannot be closed, which makes many people feel uncomfortable. Here's a way to turn off the push icon in the lower right corner of the taskbar.
1. Open the computer control panel and find the option “Uninstaller”.
2. Select “Installed Updates”.
3. Find the security update for Microsoft Windows (KB3035583)”, uninstall it, and restart your computer.
Note: In the future, the system may prompt to install again “KB3035583” This patch can be ignored.