King's Bounty: The Legend is now available on Steam for $26.99 (a limited-time offer if I understood correctly, possibly a week-end deal). Since you're familiar with the game and its gameplay by now, I'll report the system requirements just for fun:

# OS: Windows® XP/Vista™ 32-bit
Processor: Intel Pentium® 4 2.6 GHz or Athlon 64 +2800 (Intel Pentium 4 3.0 GHz or Athlon 64 +3200 recommended)
Memory: 1 GB RAM under XP and 2 GB RAM under Vista (2GB recommended)
Graphics: NVIDIA GeForce 6800 256MB or ATI Radeon X800 256MB or better (NVIDIA GeForce 7900 512MB or ATI Radeon X1900 512MB or better recommended)