Note
People who own a copy of RPG Maker VX Ace and have it installed may download the file, run the application to extract the game and play it immediately.
Those who do not own RPG Maker VX Ace will require the RPG Maker VX Ace Runtime Package from the offical RPG Maker website Here. After selecting 'RPG Maker VX Ace' scroll down and click the 'Download' button, after doing so followed the installation instructions directly under the button to properly install the RTP.
After the Installation is finished you will be able to play any RPG Maker VX Ace games in the future without needing to own RPG Maker VX Ace yourself, this process can be respectively done for RPG Maker VX, RPG Maker XP and RPG Maker 2003 once their RTP's have been downloaded and installed as well.