as well as Mac: they have vastly superior customer service to any other seller/developer in all of gaming they have and will and did even upgrade/give gamers/customers for free a more elaborate version if it didn't include every permutation of expansions/DLC et al.They did this with Sid Meier's Alpha Centauri when they later included the crossfire expansion that was not available on their initial release (I did not purchase it for this reason-even when it went on sale-as I am used to Steam et al. It is called 'Pirates! Gold Plus'.It is superior to the steam version: with no compatibility issues on any windows platform from XP and has and will work to upgrade to any newer version of windows et al. It includes Includes the 1987 original Sid Meier's Pirates! and 1993's Pirates! Gold. Back when I investigated this games compatibility- the only version I could find that had no problems was the GOG.com version- which I purchased during a sale.