Minimum System Requirements
Windows
OS:
Windows 2000/XP Processor:
1.2 GHz Processor RAM:
256 MB RAM Video card:
DirectX 7 compatible graphics card Sound card:
DirectX 7 compatible sound card Disk space:
4.6 GB 
MAC
Counter-Strike: Source is not officially supported on macOS. However, some users have managed to run the game using Windows emulation software or by installing Windows on a separate partition via Boot Camp
Linux
OS:
Linux Processor:
1.2 GHz Processor RAM:
256 MB RAM Video card:
OpenGL compatible graphics card Sound card:
OpenAL compatible sound card Disk space:
4.6 GB Recommended System Requirements
Windows
OS:
Windows 2000/XP Processor:
2.4 GHz Processor RAM:
512 MB RAM Video card:
DirectX 9 compatible graphics card Sound card:
DirectX 9 compatible sound card Disk space:
4.6 GB MAC
Counter-Strike: Source is not officially supported on macOS. However, some users have managed to run the game using Windows emulation software or by installing Windows on a separate partition via Boot Camp
Linux
OS:
Linux Processor:
2.4 GHz Processor RAM:
512 MB RAM Video card:
OpenGL compatible graphics card Sound card:
OpenAL compatible sound card Disk space:
4.6 GB We recommend playing Counter-Strike: Source on a Windows PC that meets or exceeds the recommended system requirements. If you're trying to play on a Mac or Linux, be prepared for potential technical issues and performance changes.
