PC requirements

Klaus System Requirements

Klaus needs at least Intel Core2 Duo E6750 (2 * 2660) or equivalent / AMD Athlon 64 X2 Dual Core 5000+ (2 * 2600) or equivalent, 2 GB RAM and Geforce GT 430 (1024 MB) / Radeon HD 5570 (1024 MB) graphics.

Verified Sources: Steam store listing
Klaus minimum and recommended PC specifications
Component Minimum
Operating system Windows 10, 8, 7
Processor Intel Core2 Duo E6750 (2 * 2660) or equivalent / AMD Athlon 64 X2 Dual Core 5000+ (2 * 2600) or equivalent
Memory 2 GB RAM
Graphics Geforce GT 430 (1024 MB) / Radeon HD 5570 (1024 MB)
DirectX Version 11
Storage 4 GB available space
Additional notes Supports Xbox 360 Controller and other XInput-compatible controllers. It doesn't support Steam controller.
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.

Other platforms

Klaus is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Klaus on PC

Can my PC run Klaus?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Klaus need?
4 GB available space