PC requirements

Team Fortress 2 System Requirements

Team Fortress 2 needs at least 1.7 GHz Processor or better and 512 MB RAM. For the recommended experience you want Pentium 4 processor (3.0GHz, or better) and 1 GB RAM.

Verified Sources: Steam store listing
Team Fortress 2 minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows® 7 (32/64-bit)/Vista/XP Windows® 7 (32/64-bit)
Processor 1.7 GHz Processor or better Pentium 4 processor (3.0GHz, or better)
Memory 512 MB RAM 1 GB RAM
DirectX Version 8.1 Version 9.0c
Storage 15 GB available space 15 GB available 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

Team Fortress 2 is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Team Fortress 2 on PC

Can my PC run Team Fortress 2?
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 Team Fortress 2 need?
15 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.