PC requirements

Harold Rabbit 3: The House of Mysteries System Requirements

Harold Rabbit 3: The House of Mysteries needs at least Duo Core @ 1.8Ghz+ (approx), 2 GB RAM and Non-Dedicated (shared) video card with at least 512MB Shared VRAM & openGL 2.0 support graphics.

Verified Sources: Steam store listing
Harold Rabbit 3: The House of Mysteries minimum and recommended PC specifications
Component Minimum
Operating system Windows XP+
Processor Duo Core @ 1.8Ghz+ (approx)
Memory 2 GB RAM
Graphics Non-Dedicated (shared) video card with at least 512MB Shared VRAM & openGL 2.0 support
Storage 300 MB available space
Additional notes openAL compatible sound card
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

Harold Rabbit 3: The House of Mysteries is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Harold Rabbit 3: The House of Mysteries on PC

Can my PC run Harold Rabbit 3: The House of Mysteries?
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 Harold Rabbit 3: The House of Mysteries need?
300 MB available space