Steam Hits New Record For Concurrent Users – Over 8 Million Steam Users Online Simultaneously

[Conina]

Ruler said:
pretty low, even the wiiU has a higher install-base

Steam has over 100 million users in total. Not all of them use it at the same time:

http://www.gamespot.com/articles/steam-reaches-100-million-users-and-3-700-games/1100-6422489/