How to uninstall game from Steam library...???

If You have a Steam account over the years or months accumulated NN-th number you do not need of games (not interesting, not playing, bought by mistake) and after installing the client you again have to hide games in the library, so they don't stick out any more, it is now feature COMPLETE removal of a game from Your Steam account.
Go to the library and select we evil game, then right click support



And now, in the opened window, click the I want to permanently remove this game from my account or more simply, permanently deleting games from Your account.



Next, be extremely careful, because in the kit You delete a game can be games submitted to your account along wait the game that You are going to remove (DLC, gift, etc.)



If You agree with the proposed complete removal, click Ok, remove the listed games from my account permanently



This game will forever disappear from Your Steam library.