Building a desktop app begins by selecting an appropriate platform approach: native for Windows/macOS/Linux, cross-platform solutions, and the distribution method. A clearly scoped MVP and an early prototype help verify workflows, performance requirements, and the overall user experience on real hardware.

As the product evolves, reliability, updates, and packaging are essential. Thoughtful management of file systems, permissions, offline support, and integrations (device APIs, peripherals, enterprise authentication) keeps the application dependable in day-to-day use, while an update system and crash reporting ease ongoing maintenance.