(steam) Failed to play in steam

First I know the steam from my friends and I try to enter the steam account.

after I signed up I did not know how to play my game same as I do not know the same I can not play in steam.
My friend answered for example want to play in steam must buy first because the new can play.

After that I try it was successful.

Sorry if there are words that are wrong because I just learned to write articles
Thank you steemian friend