Epic Games Launcher version 19.0.0 does not start on Core 2 Duo CPUs due to lack of SSE4.2 support.

You have to search for 18.10.0 installer, the exact name of the file you need is:

epic-games-launcher-18-10-0.msi

Epic does not provide this installer anymore so you have to risk your system security downloading it from a third party. That installer does not auto update the launcher to v19.

More than a month ago I created a petition on this forum requesting an official link to an installer that does not auto update:

I still got no official response from Epic.