Official specs from Steam

Age of Empires II: Definitive Edition system requirements

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

Age of Empires II: Definitive Edition release infoSteam page Check other games

Minimum

OSWindows 10 64bit
ProcessorIntel Core 2 Duo or AMD Athlon 64x2 5600+
Memory4 GB RAM
GraphicsNVIDIA® GeForce® GT 420 or ATI™ Radeon™ HD 6850 or Intel® HD Graphics 4000 or better with 2 GB VRAM
DirectXVersion 11
NetworkBroadband Internet connection
Storage15 GB available space
Additional Notes2GB of video memory + 4GB of system memory required

Recommended

OSWindows 10 64bit
Processor2.4 Ghz i5 or greater or AMD equivalent
Memory8 GB RAM
GraphicsNvidia® GTX 650 or AMD HD 5850 or better
DirectXVersion 11
NetworkBroadband Internet connection
Storage15 GB available space

macOS minimum

NoteRequires an Apple processor
OSmacOS 15.7
ProcessorApple M1 (8‑core CPU)/Apple A18 Pro (6-core CPU) or better
Memory8 GB RAM
GraphicsApple M1 (7‑core GPU)/Apple A18 Pro (5-core GPU) or better
Storage16 GB available space

FAQ

What graphics card do I need for Age of Empires II: Definitive Edition?

Minimum: NVIDIA® GeForce® GT 420 or ATI™ Radeon™ HD 6850 or Intel® HD Graphics 4000 or better with 2 GB VRAM. Recommended: Nvidia® GTX 650 or AMD HD 5850 or better.

How much RAM does Age of Empires II: Definitive Edition need?

Age of Empires II: Definitive Edition needs 4 GB RAM at minimum, 8 GB RAM recommended.

How big is Age of Empires II: Definitive Edition?

Age of Empires II: Definitive Edition requires 15 GB available space.

Does Age of Empires II: Definitive Edition run on Mac or Steam Deck/Linux?

Yes, there is a native macOS version. There is no native Linux build (Proton compatibility may vary).