Ok if you are talking about mods like gun mods to look different and or sounds you can download some of them from fpsbanana.com they will also provide you with instructions on where to insert the files to make them work with your game.
Steam can be downloaded from Softonic. Steam is a download manager for games that are computer based. Steam allows for stopping a download and restarting it at a time where the computer or internet connection is less busy.
If the game is free to play, it should be available to download without buying the game. Paid games have to be bought before they can be downloaded.
It depends. If you have a computer with access to the internet (which you obviously do), then Steam allows you to download full games over the internet for pretty good prices.Steam can be downloaded at store.steampowered.com
Steam.
No you have to download the games to play them he can come to your house log into your steam with his name but only he can play it under his name and only he can access it so both of you cant share it and play together violates their policy and is illigal copy. But what you can do is get the game and download it or ask a friend to buy the game and they have option where they can send it to your account as a gift and it will belong to you.
Download steam and download is in description and all games you can download in description too
Download the steam App, Go to the Store, search a game, and add it to your cart.
If your game is a none steam download means they dont have it in Steam Store if you have it downloaded already you can add that none steam game into your library click onto top left connect and click on Add program and select the game or any program you want. It saves alot of time for people so you have all programs and games in your library just click on it and it starts.
left 4 dead 2 can be downloaded from Steam
yes if you have steam account and you have purchased games with it. You can log back into that account if you reinstalled your computer or what not and log into steam again with that account and have all those games still in there just have to redownload them :(
Popular ways to play free PC games without ads require a game client such as Steam Download the Steam client to download and play free games. There are also PC games available for purchase on Steam.
hammer is for source and source needs games compatible, games that have source need you to download steam, so no, sorry