Official specs from Steam

Star Wars: Jedi Knight - Jedi Academy system requirements

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

Minimum

OS *Windows 2000, XP or Vista
ProcessorPentium II or Athlon 450 MHz
Memory128 MB
Graphics32 MB OpenGL compatible
DirectX®9.0a
Hard Drive1.3 GB
Sound16 bit Direct x 9.0a
Multiplayer RequirementsPentium II or Athlon 450MHz

macOS minimum

OS10.12 (Sierra)
ProcessorIntel Core 2 Duo (Dual-Core), 2.2 GHz
Memory4 GB
Graphics256 MB, (NVidia): Geforce 8800, (ATI): Radeon HD 2600, (Intel): HD 3000
Hard Drive2 GB
PeripheralsMacintosh mouse and keyboard NOTICE: The following video chipsets are unsupported by Jedi AcademyIntel Integrated GMA 950/X3100
NoteATI RADEON HD 2400

FAQ

What graphics card do I need for Star Wars: Jedi Knight - Jedi Academy?

Minimum: 32 MB OpenGL compatible.

How much RAM does Star Wars: Jedi Knight - Jedi Academy need?

Star Wars: Jedi Knight - Jedi Academy needs 128 MB at minimum.

How big is Star Wars: Jedi Knight - Jedi Academy?

Star Wars: Jedi Knight - Jedi Academy requires 1.3 GB.

Does Star Wars: Jedi Knight - Jedi Academy run on Mac or Steam Deck/Linux?

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