4.5 GB
One bombsite, a few grenades, and no second chance until the round ends.
Counter-Strike: Source is a free fps game released under Proprietary commercial game. It runs on Windows, Linux, needs about 4.5 GB of disk space, and requires no account, payment or trial. On a computer, the fastest route is the PlayBound Launcher. On a phone or tablet, use the official store or site instead.
One-click install
PlayBound fetches the official release — no third-party mirrors.
Get your own copy from Steam, then install it with that store's client or installer. The game remains tied to your Steam library.
Windows
Return to PlayBound and use Locate if the launcher does not discover the installed executable automatically.
Linux
Install the Linux build for the copy you own. Return to PlayBound after installation; if PlayBound cannot locate it automatically, launch it through the store client.
How to join and navigate multiplayer lobbies and servers in Counter-Strike: Source.
Join the same Counter-Strike: Source server from the in-game browser or connect by address. PlayBound does not supply Valve matchmaking for private parties.
Minimum
Windows or Linux (current Steam clients); 1.7 GHz CPU, 512 MB RAM, DirectX 8.1-class GPU on Windows. Current Windows depot is about 4.55 GiB. Steam still displays old macOS requirements, but does not currently advertise a Mac client.
Recommended
Windows: Pentium 4 3.0 GHz, 1 GB RAM, DirectX 9 GPU. Linux-specific recommended requirements are not published.
No. Each player needs a legitimate copy on Steam.
Yes. Use the in-game server browser or a direct server address.
The PC release is designed around keyboard and mouse; no native full-controller claim is made here.
Bomb defusal and hostage rescue are the classic core, and community servers can run custom maps and modes.