PC requirements

Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition System Requirements

Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition needs at least 2.0 GHz, 2 GB RAM and ATI or NVidia with 512 MB RAM graphics. For the recommended experience you want 2.0 GHz, 4 GB RAM and ATI or NVidia with 1 GB RAM graphics.

Verified Sources: Steam store listing
Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows XP Windows XP or later
Processor 2.0 GHz 2.0 GHz
Memory 2 GB RAM 4 GB RAM
Graphics ATI or NVidia with 512 MB RAM ATI or NVidia with 1 GB RAM
Storage 4 GB available space 4 GB available space
Additional notes Minimum suggested screen resolution is 1024x768. Not recommended for play on Intel systems with integrated/shared video memory. Not recommended for play on Intel systems with integrated/shared video memory.
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

Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition on PC

Can my PC run Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition?
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 Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition need?
4 GB available space
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.