RPG Maker VX Ace is the latest and greatest engine in the RPG Maker series, improving on every aspect of creating your very own epic adventure. The most powerful editor yet, Ace supports multiple tilesets, offers full control over autoshadow and has a very flexible features system.Go to: http://store.steampowered.com/ and download STEAM client
Click “Install Steam” (from the upper right corner)
Install and start application, login with your Account name and Password (create one if you don’t have).
Please follow these instructions to activate a new retail purchase on Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam…
Follow the onscreen instructions to complete the process.
After successful code verification go to the “MY GAMES” tab and start downloading.