About the Game
THE NEXT INSTALLMENT OF THE WORLD'S # 1 ONLINE ACTION GAME
Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology. Featuring state of the art graphics, all new sounds, and introducing physics, Counter-Strike: Source is a must-have for every action gamer.
Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology. Featuring state of the art graphics, all new sounds, and introducing physics, Counter-Strike: Source is a must-have for every action gamer.
Screenshots
5 images
Version Information
Steam Patch Notes
Official update history
On the site: Build 25338318
Up to date
An update to Counter-Strike: Source has been released. The update will be applied automatically when you restart Counter-Strike: Source. The major changes include:
View on Steam
- Fixed overlapping UI elements in the Create Server dialog
- Fixed clan tags and achievement announcements not being displayed properly
An update to Counter-Strike: Source has been released. The update will be applied automatically when you restart Counter-Strike: Source. The major changes include:
View on Steam
- Security and stability improvements
- Fixed client crash related to missing HUDAutoAim element (community fix from flower)
- Fixed incorrect check on Linux servers when setting the winter holiday active (community fix from Irineu)
- Fixed the SAS player model not dropping weapons from the same location as other models (community fix from 1ci)
- Fixed a bug where certain custom maps would not load assets correctly on Linux
An update to Counter-Strike: Source has been released. The update will be applied automatically when you restart Counter-Strike: Source. The major changes include:
View on Steam
- Added 64-bit Support. 64-bit binaries will automatically be launched on systems with a 64-bit OS.
- Added a borderless window option to video settings
- Added bicubic lightmaps (from Half-Life 2: 20th Anniversary Update)
- Added radial fog (from Half-Life 2: 20th Anniversary Update)
- Added support for Steam Networking
- Added UI scaling for high-resolution screens
- Made the default server name for listen servers include the player's name
- Made the game launch in native resolution by default instead of 640x480
- Client-side prediction fixes (these fix 'jank'/rollback in certain situations)
- Fixed a bug where when unducking, the view could glitch out if the player doesn't have space to unduck
- Fixed gifts not randomly dropping when players are killed during the winter event
- Added sv_autobunnyhopping so bhop servers can have this wanted behaviour with client-side prediction
- Fixed a prediction bug where if the player was moved on the client, their input-based movement for that tick was not taken into account in non-player actions
- Improved prediction for walking on props and other entities
- Made certain client-side entities only trigger local prediction errors
- e.g. If the viewmodel experiences a prediction error, the player will not experience a prediction error
- Fixed prediction of viewmodel sway
- Fixed a prediction error regarding weapon idle animations
- Fixed a bug where when unducking, the view could glitch out if the player doesn't have space to unduck
- Fixed certain breakable props not gibbing correctly
- Fixed an issue where certain variables like position would not be updated correctly to match the server in certain situations
- Fixed the player's base velocity (eg. conveyors, moving items etc.) getting subtly out of sync from client/server
An update to Counter-Strike: Source has been released. The update will be applied automatically when you restart Counter-Strike: Source. The major changes include:
View on Steam
- Numerous security and stability improvements
Latest on Steam
SteamDBBuild info restricted by publisher
Last Steam update Apr 23, 2025 — check SteamDB
Current Release
Build 25338318
Uploaded Oct 10, 2026
How to Install
1
Download all files
2
Extract the .ZIP file to a folder (use WinRAR or 7-Zip)
3
Run the game executable (.exe) to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
Archive password
Needed when extracting (WinRAR / 7-Zip) — not a site login.
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Download Counter-Strike: Source for PC with a direct link or via torrent. Get the full version of Counter-Strike: Source for free. Counter-Strike: Source is a Action released by Valve.