Microsoft was convicted by the US for tying Windows and IE in the 90's, and Google was more recently convicted by the EU for tying Android and Chrome. US regulators have declined so far to do the same for the latter, although the political winds seem to be changing.
https://en.m.wikipedia.org/wiki/Tying_(commerce)
A shorter article:
https://www.investopedia.com/terms/t/tying.asp
Microsoft was convicted by the US for tying Windows and IE in the 90's, and Google was more recently convicted by the EU for tying Android and Chrome. US regulators have declined so far to do the same for the latter, although the political winds seem to be changing.