With Windows 10 Pro you can disable Windows updates by editing group policy (run gpedit.msc with elevated permissions), look for Computer Configuration / Administrative Templates / Windows Components / Windows Update and set “Configure Automatic Updates” to Disabled.
Not sure how to do that on Windows 10 Home or other versions - the above probably corresponds to registry setting(s) but am not sure which one.
Is it Windows 10 Pro or …?
With Windows 10 Pro you can disable Windows updates by editing group policy (run gpedit.msc with elevated permissions), look for Computer Configuration / Administrative Templates / Windows Components / Windows Update and set “Configure Automatic Updates” to Disabled.
Not sure how to do that on Windows 10 Home or other versions - the above probably corresponds to registry setting(s) but am not sure which one.