The listing, (PC) Steam Game: Supreme Commander Gold Edition has ended.
Winner gets a steam key for the game Supreme Commander Gold Edition.
You can redeem it on Steam.
For more information about the game check:
http://store.steampowered.com/sub/11732/
You will need to download the steam client and create a free steam account in order the redeem the game.
Download Steam from: http://store.steampowered.com/about
Instructions for Redeeming Steam Key can be found on:
https://support.steampowered.com/kb_article.php?ref=5414-TFB N-1352