[Wowfunhappy]

To turn it off permanently, there's a registry entry:

https://itty.bitty.site/#Disable_Real_Time_Protection_Perman...

I'm not sure whether or not it works on non-pro versions of Windows.

[bob1029]

This does not work anymore.

https://www.pcgamer.com/permanently-disabling-windows-10s-bu...

[Wowfunhappy]

...oh. Uh, that's super bad. I didn't know because I'm on LTSC.