How to play guide for Heroes Evolved

This is a How to Play Guide for Heroes Evolved. Feel free to expand upon it.

System requirements
This game's minimum system requirements are:
 * ATI Radeon HD 2400 Pro or Nvidia GeForce 7300GT.

Controls

 * Attack while moving, or attack single target. If a target is left-clicked, the hero moves towards that target while attacking. If a location is selected, the hero moves towards the target location while attacking the enemy.