Official specs from Steam

Star Wars: Knights of the Old Republic II - The Sith Lords 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 newer
ProcessorIntel Core i3 (2 Cores), AMD A10
CPU Speed2.2 GHz
Memory4GB RAM
Hard Disk Space10 GB
Video Card (ATI)Radeon HD 5450
Video Card (NVidia)GeForce 260
Video Card (Intel)HD 4400
Video Memory (VRam)256MB
Controller SupportMicrosoft® Xbox® 360 Controller for Windows® (Wired), Microsoft® Xbox® 360 Games for Windows® Wireless Controller with Adapter, Microsoft® Xbox® One Controller (Wired), Razor Sabertooth – Gaming Controller for Xbox 360, Thrustmaster GPX, Logitech Gamepad F310, Logitech Wireless Gamepad F710

macOS minimum

OS10.12 (Sierra)
ProcessorIntel Core i3 (2 Cores)
CPU Speed2.2 GHz
Memory4GB RAM
Hard Disk Space10 GB
Video Card (ATI)Radeon HD 3870
Video Card (NVidia)GeForce 330M
Video Card (Intel)HD 3000
Video Memory (VRam)256MB
Controller SupportMicrosoft® Xbox® 360 Controller for Windows® (Wired), Microsoft® Xbox® One Controller (Wired), SONY® PS3 DUALSHOCK®3 wireless controller, SONY® PS4 DUALSHOCK®4 wireless controller, Logitech RumblePad™ 2, Logitech™ Dual Action™

FAQ

What graphics card do I need for Star Wars: Knights of the Old Republic II - The Sith Lords?

Minimum: Radeon HD 5450.

How much RAM does Star Wars: Knights of the Old Republic II - The Sith Lords need?

Star Wars: Knights of the Old Republic II - The Sith Lords needs 4GB RAM at minimum.

How big is Star Wars: Knights of the Old Republic II - The Sith Lords?

Star Wars: Knights of the Old Republic II - The Sith Lords requires 10 GB.

Does Star Wars: Knights of the Old Republic II - The Sith Lords run on Mac or Steam Deck/Linux?

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