Which React Native you actually get on Windows and macOS
Three minor series behind on Windows, six on macOS, and roughly three months of patches per version
Can you build a Windows or macOS app with Expo
React Native runs on desktop. Expo is a different question, and three rows of the workflow have no counterpart.
Why your React Native Windows build breaks when you changed nothing
Two package ecosystems, a platform SDK, and a pinned IDE your application does not own