I cannot get the game :(

Hello, I tried to add this game to my steam account today, I logged into my steam account and pressed get now but it just displays this message "Thank you for everyone that has helped us during this period - the developer preview is now closed!".
pls help, or am I too late? :(

I have a related question. If I've cloned the repo from Github and successfully built it using the bootstrap.bat should it be having trouble noticing that Steam is indeed running?

Steam is indeed running

Same problem (compiled from source code on GitHub)

Unfortunately, yes, was only 1 day late (