Official specs from Steam

Life Is Strange 2 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 7 or above (64-bit Operating System Required)
ProcessorIntel Core i3-2100 (3.1GHz) or AMD Phenom X4 945 (3.0GHz)
Memory4 GB RAM
GraphicsNvidia GeForce GTX 650 2GB or AMD Radeon HD 7770 2GB
DirectXVersion 11
Storage40 GB available space
Additional NotesPlease note that 32-bit operating systems will not be supported

Recommended

OSWindows 10 64-bit
ProcessorIntel Core i5 3470, (3.20 Ghz) or AMD FX-8350, (4.00 Ghz)
Memory6 GB RAM
GraphicsNvidia GeForce GTX 970 4GB or AMD Radeon R9 280X 3GB
DirectXVersion 11
Storage40 GB available space
Additional NotesPlease note that 32-bit operating systems will not be supported

macOS minimum

OSmacOS 10.15
Processor2.0Ghz Intel Core i5-6360U
Memory4 GB RAM
Graphics2GB NVIDIA GeForce GTX 680MX, 2GB AMD Radeon R9 M290, Intel Iris 540 Graphics or better (see notes for more details).
Storage42 GB available space
Additional NotesThe game is officially 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 13" MacBook Pros released since 2016
Note* All 15" MacBook Pros released since Late 2013 with a 2.3GHz i5 processor or better (1)
Note* All 13" MacBook Airs released since 2018
Note* All Mac minis released since 2018
Note* All 21.5" iMacs released since 2017
Note* All 27" iMacs released since Late 2014 (2)
Note* All 27" iMac Pros released since Late 2017
Note* All Mac Pros released since Late 2013
Note(1) Mid-2015 models with an AMD R9 M370X graphics card are not supported
Note(2) Late 2013 models with a 2GB Nvidia GeForce GTX 775M or 4GB Nvidia GeForce GTX 780M graphics card are also supported
Note(2) Late 2012 models with a 2GB Nvidia GeForce GTX 680M graphics card are also supported
NotePlease note for your computer to meet the minimum requirements it must match or better all elements of the listed spec. For more detailed specifications check the Feral website.
NoteThe following Macs are capable of running the game but do not consistently meet the standards required for official support:
Note* All 15" MacBook Pros released since Late 2013
Note* All 21.5" iMacs released since Late 2013 with a 2.3GHz processor or better (1)
Note(1) Models with an Nvidia 750M graphics card are not supported

FAQ

What graphics card do I need for Life Is Strange 2?

Minimum: Nvidia GeForce GTX 650 2GB or AMD Radeon HD 7770 2GB. Recommended: Nvidia GeForce GTX 970 4GB or AMD Radeon R9 280X 3GB.

How much RAM does Life Is Strange 2 need?

Life Is Strange 2 needs 4 GB RAM at minimum, 6 GB RAM recommended.

How big is Life Is Strange 2?

Life Is Strange 2 requires 40 GB available space.

Does Life Is Strange 2 run on Mac or Steam Deck/Linux?

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