Can I Run Dota 2
Check the Dota 2 system requirements. Can I Run it? Test your specs and rate your gaming PC. System requirements Lab runs millions of PC requirements tests on over 5,000 games a month.

Dota 2 game details
Dota 2 is Valve’s addition to the world of MOBAs, inspired by the Warcraft 3 mod. Over 100 heroes and plenty of tournaments should keep you occupied for a long time. An Intel Core 2 Duo E7400/Athlon 64 X2 Dual Core 5600+ and a GeForce 8600 GTS/Radeon HD 2600 Pro should keep you in the competition.

Here are the Dota 2 system requirements (minimum)
CPU: Info
CPU SPEED: Dual core from Intel or AMD at 2.8 GHz
RAM: 4 GB
OS: Windows 7 or newer
VIDEO CARD: nVidia GeForce 8600/9600GT, ATI/AMD Radeon HD2600/3600
SOUND CARD: DirectX Compatible
FREE DISK SPACE: 15 GB