Slitherine

i buy kriegsmarine and endsieg buy the webside but i cant invite by steam . need help

Hi, if you bought at Slitherine you can redeem a Steam key.

Pls. log in to the member's area
https://www.slitherine.com/members/

When logged in you should see a list of games - pls. register your Slitherine key, then you should be able to get a Steam key right at the same page.