Another of their illegal acts was to charge manufacturers for each machine shipped whether or not it was supplied with an MS OS - MS's assumption being that surely no customer would be silly enough to install a superior non-MS OS on a no-OS machine, and hence they must be installing unlicensed copies of MS OS on those machines and so the manufacturers must be made to pay.

Even the mighty IBM, hitherto the masters of unfair competition, had to kowtow to MS when the latter threatened to withhold selling Win95 to IBM.