Here's a quick tutorial, with safe downloadable files, to help you access EOS on Steam: https://we.tl/t-Fglm7rOIrB

1) Restart PC;
2) Extract bat. and exe from zip archive;
3) Place it here: client_pc\root\bin\pc\EpicOnlineServices;
4) Boot up bat. file;

5) Verify integrity of game files on Steam;

6) Press Play;
7) If nothing happens press Stop and restart PC again (this will definitely work from the second attempt, but sometimes it works from the first one); https://we.tl/t-Fglm7rOIrB

We hope this helps!