PC requirements

Serious Sam 3: BFE System Requirements

Serious Sam 3: BFE needs at least Dual-core from Intel or AMD at 2.0 GHz, 1GB of RAM and nVidia GeForce 7800/7900/8600 series, ATI/AMD Radeon HD2600/3600 or 1800/X1900 series graphics. For the recommended experience you want Quad-core from Intel (i5/i7-series) or AMD (Phenom II) at 3.0 GHz, 4GB of RAM and nVidia GeForce 480/580 GTX, ATI/AMD Radeon HD 5870/6970 graphics.

Verified Sources: Steam store listing
Serious Sam 3: BFE minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows XP 32-bit (with service pack 2 or 3) Windows 7 64-bit
Processor Dual-core from Intel or AMD at 2.0 GHz Quad-core from Intel (i5/i7-series) or AMD (Phenom II) at 3.0 GHz
Memory 1GB 4GB
Graphics nVidia GeForce 7800/7900/8600 series, ATI/AMD Radeon HD2600/3600 or 1800/X1900 series nVidia GeForce 480/580 GTX, ATI/AMD Radeon HD 5870/6970
Storage 4GB free hard drive space 4GB free hard drive space
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

Serious Sam 3: BFE is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Serious Sam 3: BFE on PC

Can my PC run Serious Sam 3: BFE?
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 Serious Sam 3: BFE need?
4GB free hard drive 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.