What about Linux?
If it's a CD of Windows software included with a Linux machine, does that satisfy this rule?
Or are Chinese citizens even allowed to use Linux?
China is really a very interesting country, full of startling contrasts. They're a very sexy people - why else would their population be so large? But historically and even now, they're also very prudish.
In his famous book "Plant Hunting on the Eaves of the World", Reginald Farrer remarked in passing on the difficulty he and his companion William Purdom had finding a sufficiently secluded place along a river bank to go bathing, where they couldn't be seen naked by the locals and thereby offend them.