Official specs from Steam

Life Is Strange system requirements

Minimum and recommended PC specs as listed by the developer on Steam. Native macOS version available. Native Linux build available.

Minimum

OS *Windows Vista
ProcessorDual Core 2.0GHz or equivalent
Memory2 GB RAM
GraphicsATI or NVidia card w/ 512 MB RAM (not recommended for Intel HD Graphics cards)
DirectXVersion 9.0
Storage5 GB available space

Recommended

OS *Windows 7
ProcessorDual Core 3.0GHz or equivalent
Memory2 GB RAM
GraphicsATI or NVidia card w/ 1024 MB RAM (NVIDIA GeForce GTX 260 or ATI HD 4890)
DirectXVersion 9.0
Storage14 GB available space

macOS minimum

OSmacOS 10.11
Processor1.8GHz Intel or greater
Memory4 GB RAM
Graphics512Mb AMD 4850, 512Mb Nvidia GT130, Intel HD4000 (See Notes for more details)
Storage15 GB available space
Additional NotesThe game is supported on the following Macs. To check your Mac model and when it was released, select About This Mac from the Apple menu on your menu bar. * All MacBook Airs released since Mid 2012 (1)
Note* All 13” MacBook Pros released since Mid 2012 (1)
Note* All 15” & 17" MacBook Pros released since Mid 2010 with a 512Mb graphics card or better
Note* All Mac Minis released since Late 2012 (1)
Note* All iMacs released since Early 2009 with a 512Mb graphics card or better
Note* All Mac Pros released since early 2009
Note(1) HD4000 & HD5000 cards require at least 8GB of System Memory
Note* All MacBooks released since Early 2016

FAQ

What graphics card do I need for Life Is Strange?

Minimum: ATI or NVidia card w/ 512 MB RAM (not recommended for Intel HD Graphics cards). Recommended: ATI or NVidia card w/ 1024 MB RAM (NVIDIA GeForce GTX 260 or ATI HD 4890).

How much RAM does Life Is Strange need?

Life Is Strange needs 2 GB RAM at minimum, 2 GB RAM recommended.

How big is Life Is Strange?

Life Is Strange requires 5 GB available space.

Does Life Is Strange run on Mac or Steam Deck/Linux?

Yes, there is a native macOS version. A native Linux build is available.