Windows 7 prompt free upgrade win10 how to cancel the prompt?

Upgrade win10 for free on windows 7, as shown in the following figure.

How to cancel the win10 upgrade prompt

1. On the control panel, find the add/delete program, find the windows program, and then uninstall the KB3035583 patch in Windows Update.

2. There is an update assistant program named mongogwx.exe in the system, which is located in C: \ Windows \ System32 \ GWX. We can find this program and delete it (note: If you cannot delete it, you can find gwx.exe in the Task Manager and delete it again)

In this way, we will not be prompted to upgrade the win10 system for free in win7.