System requirements · PC

Left 4 Dead PC system requirements

Left 4 Dead needs at least a processor listed as “Pentium 4 3.0GHz”, 1 GB of RAM and a graphics card listed as “128 MB, Shader model 2.0, ATI 9600, NVidia 6600 or better”, on Windows® 7 32/64-bit / Vista 32/64 / XP.

For the recommended settings: an Intel core 2 duo 2.4GHz processor, 1 GB of RAM and a graphics card listed as “Shader model 3.0, NVidia 7600, ATI X1600 or better”. It takes 7.5 GB of storage.

Left 4 Dead: minimum and recommended PC requirements (Windows)
	Minimum	Recommended
Operating system	Windows® 7 32/64-bit / Vista 32/64 / XP Same for both: minimum and recommended
Processor	Pentium 4 3.0GHz	Intel core 2 duo 2.4GHz
Memory	1 GB Same for both: minimum and recommended
Graphics	128 MB, Shader model 2.0, ATI 9600, NVidia 6600 or better	Shader model 3.0, NVidia 7600, ATI X1600 or better
Storage	At least 7.5 GB of free space	Not listed
Sound card	DirectX 9.0c compatible sound card	Not listed

How demanding is Left 4 Dead?

Memory: Needs more minimum RAM than 1% of the 1,937 PC games with requirements we track (1 GB).

It is on our list of low-end PC games (4 GB of RAM or less).
Storage: Larger than 35% of the 1,852 games with a storage figure (7.5 GB).

Compared with the minimum requirements of every game that has a requirements page on gamekeys.deals. We compare memory and storage only: processor and graphics card names cannot be ranked reliably from Steam's text.

Other platforms

Mac

Left 4 Dead: macOS requirements
	Minimum
Operating system	MacOS X 10.6.4 or higher (Snow Leopard Graphics Update required)
Processor	Dual core Intel processor, 2GHz or better
Graphics	ATI Radeon 2400 or higher / NVIDIA 8600M or higher / Intel HD Graphics 3000
Additional notes	OS X 10.5.x, ATI X1600 or X1900 graphics, NVIDIA GeForce 7 graphics or Intel graphics less than Intel HD 3000.