I don&#x27;t really know why you seem to have an axe to grind here. My original assertion was that most Windows PCs used by regular consumers have copies of Qt on them, and I stand by that. How that happens is not hard to see across the examples I gave: Widely deployed hardware support software, widely used content client software, auxiliary roles in widely used entertainment software, software required by law to use by a decently-sized country population, software used in content creation of various kinds, software used by students and in the course of common hobbies ...<p>Yeah, a user can conceivably go for years without using one. By far most won&#x27;t though, or will have Qt apps installed they don&#x27;t use frequently.<p>Qt is an 800k developer ecosystem[1] -- do you think they all work on Wireshark? Most of them write Windows apps.<p>1 = <a href="https:&#x2F;&#x2F;youtu.be&#x2F;sa2gS9GKG9Y" rel="nofollow">https:&#x2F;&#x2F;youtu.be&#x2F;sa2gS9GKG9Y</a><p>Edit: windows.com seems quite taken as well: <a href="https:&#x2F;&#x2F;blogs.windows.com&#x2F;devices&#x2F;2011&#x2F;03&#x2F;15&#x2F;10-qt-use-cases-you-didnt-know&#x2F;" rel="nofollow">https:&#x2F;&#x2F;blogs.windows.com&#x2F;devices&#x2F;2011&#x2F;03&#x2F;15&#x2F;10-qt-use-cases...</a>