[bmelton]

There's room for improvement here. The case wasn't against them bundling it with their operating system, they're perfectly free to do that. It wasn't about them being a monopoly either, which also is perfectly allowed.

The DOJ was against them as a result of abuse of monopoly power. Using their market dominance with Windows, they attempted to strangle out Firefox by demanding that their reselling partners would not also bundle Firefox on their Windows-based computers. If they did bundle Firefox, they would lose their Windows certification.

Free = allowed

Bundling = allowed

Monopoly = allowed

Leveraging partner relationships to unfairly disadvantage a competitor = antitrust violation.