Obviously it's not representative of all users, but Steam breaks down its hardware survey by OS version. The 60% using Windows 7 64bit is a convincing majority.

Obviously it's not representative of all users, but Steam breaks down its hardware survey by OS version. The 60% using Windows 7 64bit is a convincing majority. http://store.steampowered.com/hwsurvey http://store.steampowered.com/hwsurvey